Transfusion transmitted infections among blood donors of Kamenge Teaching Hospital blood bank in Burundi.

Background: The current risk of contracting a transfusion transmitted infections (TTIs) is unknown in Burundi. Objectives: The aim of this study was to assess sociodemographic profiles of blood bank donors at Kamenge Teaching Hospital, the prevalence and associated risk factors of HIV, syphilis, HBV and HCV from 2015 to 2020. Methods: We conducted a cross-sectional study including all blood donors of Kamenge Teaching Hospital blood bank. During this study, 1370 blood samples were screened for HIV, Syphilis, HBV and HCV. We calculated prevalence of TTIs and performed logistic regression to know associated risk factors. Results: Blood donors were males at 77% and 23% females. They were mostly students (54.2%). On screening, 83 blood samples (6.06%) were seropositive for at least one TTI. The overall prevalence rate of HIV, Syphilis, HBV and HCV among blood donors was 1.3%, 0.2% ,1.6%, 2.9% respectively. There was difference in distribution of the four TTIs among blood donors which is statistically significant (x2=33.997, ϱ-value<0.001). Private donors were associated with a high risk of syphilis and being a first-time donor was associated with a high HBV risk factor. Conclusion: The prevalence of TTIs found still to be high; mandatory and continuous screening is necessary.

Factors associated with ART interruption during the COVID-19 crisis in Burundi (the EPIC community-based research program).

With a national prevalence of 0.9%, Burundi is close to achieving UNAIDS' 2025 targets. Despite this, different types of crises periodically disrupt its HIV health services. The community-based program EPIC measured the impact of the COVID-19 health crisis on people living with HIV (PLHIV) in Burundi in 2021. Specifically, it assessed ART interruption and associated factors since the beginning of the pandemic. The study questionnaire was administered to PLHIV in three cities between October and November 2021. Participants were recruited using convenience sampling. Logistic regression models helped identify factors associated with ART interruption. Of the 317 respondents, 37 (11.7%) reported interruption. The majority (79.2%) self-identified as belonging to key populations. Interruption was significantly associated with: fewer HIV medical follow-up visits (adjusted Odds Ratio, aOR = 7.80, p = 0.001) and forced HIV status disclosure (aOR = 4.10, p = 0.004). It was inversely associated with multi-month ART dispensing (aOR = 0.36, p = 0.017) since the beginning of the pandemic and the perception of not having been sufficiently informed by the HIV medical team about the risk of COVID-19 infection (aOR = 0.11, p < 0.001). Our results highlight the importance of multi-month ART dispensing, enhanced communication, and voluntary disclosure of one's HIV status in preventing ART interruption in times of crises in Burundi.

Using Routine EMR Registration on a National Scale for Evaluating the Impact of HIV and ART on Childbirth in Burundi.

A number of international studies have reported that HIV+ mothers under ART on average deliver babies that have low birth weight (LBW), are smaller (LBH) and are more often premature [1,2,3,4,5,6,7,8,9]. These 3 elements are well known risk factors for neonatal mortality. In our study we wanted to assess the actual status of such supposed HIV and ART related neonatal mortality risks in Burundi by taking advantage of the country's large scale EMR implementation. A total of 64,682 birth records were extracted from EMRs in 17 hospitals for the period between January 1, 2018 and October 31, 2022. After quality control for missing or impossible data, 54,180 records were retained for the study. This study demonstrated that the use of ART during HIV+ pregnancies has no statistically significant impact on risk factors for neonatal mortality in Burundi. The study also indicates that the HIV prevalence among pregnant women in Burundi who give birth in a hospital is more than twice as high as expected based on the official figures. It was also demonstrated that an explanation for this finding cannot be found in a possible concentration of HIV+ deliveries in the hospital environment. The availability of large-scale implementation of structured electronic health records brings numerous new possibilities for population research based on routinely registered health data in a low-resource country like Burundi.

Prevalence and associated risk factors assessment of bovine fasciolosis in the Imbo Region, Burundi.

Fasciolosis is a zoonosis that limits the productivity of ruminants worldwide, but there is a lack of information on its occurrence in Burundi. Therefore, this study aimed to fill the information gap by determining the prevalence and risk factors associated with bovine fasciolosis in the Imbo Region of Burundi. Two prevalence studies were conducted in parallel in the five communes of the five provinces in the Imbo region. In the first study, a total of 426 fecal samples were collected from randomly selected cattle farms and microscopically examined to determine Fasciola egg burden. Survey data on cattle husbandry were collected from owners of these cattle and analyzed to determine the risk factors for bovine fasciolosis. In the second study, 467 cattle were randomly selected in abattoirs and their livers were examined postmortem to determine liver fluke burdens. Data were entered separately into Microsoft Excel and analyzed using R software. The overall prevalence of bovine fasciolosis was 47.7% (42.9-52.4, 95% CI) for microscopic examination and 33.2% (28.9-37.5, 95% CI) for postmortem examinations. The majority of positive cattle (60.6%) had light intensity infections as determined by eggs per gram of feces (epg). Postmortem examinations corroborated these results and indicated that 80% of cattle had light intensity infections. Chi-square analysis showed a statistical association with the presence of bovine fasciolosis and the age, sex, and origin of cattle and the practices of cattle owners (P < 0.05).

Heterogeneous effects of socio-economic and cultural factors on fertility differentials in Burundi and Morocco during their fertility transition periods: a retrospective, cross-sectional and comparative study.

Introduction: few studies have examined the factors influencing fertility differentials and the variation in their effects in countries with different socioeconomic and cultural backgrounds and different fertility transition paces. To address this gap, our study sought to first identify the factors that influenced fertility differentials in Morocco and Burundi during their fertility transition periods, and then to compare the effects of these factors between the two countries. Methods: using data from the 2003-4 Morocco and 2010 Burundi Demographic and Health Surveys, bivariable and multivariable Poisson regression analyses offset by the natural logarithm of the women´s age were performed to identify the socioeconomic and cultural factors that influenced fertility differentials in Morocco and Burundi during their fertility transition. Results: our main findings showed that the total number of children ever born ranged from 0 to 17 with a mean of 2.71 ± 2.89 in Burundi and from 0 to 16 with a mean of 1.88 ± 2.80 in Morocco. In Burundi, both socioeconomic and cultural factors like rural residence adjusted incident rate ratio (AIRR) = 1.159, 95% CI: 1.103 - 1.217, P=0.020), women´s illiteracy (AIRR=1.465, 95% CI: 1.241- 1.729, P <0.001) and agricultural profession (AIRR=1. 332, 95% CI: 1.263 - 1.401, P = 0.004), household poverty (AIRR= 1.381, 95% CI: 1.223 - 1.431, p<0.001), infant mortality (AIRR= 1.602, 95% CI: 1.562 - 1.643, p<0.001), early marriage (AIRR= 1.313, 95% CI: 1.264 - 1.364, p<0.001), lack of knowledge of any contraceptives (AIRR= 1.263, 95% CI: 1.125 - 1.310, p = 0.003) and failure to use modern contraceptives (AIRR= 1.520, 95% CI: 1.487 - 1.611, p<0.001) were associated with high number of children ever born. However, in Morocco socioeconomic factors like residence place, women´s agricultural profession and household poverty were not significant. In this country, women´s illiteracy (AIRR=1.428, 95% CI: 1.315 - 1.551, P <0.001), lack of access to mass media (AIRR= 1.241, 95% CI: 1.108 - 1.375, p = 0.006), infant mortality (AIRR=1.222, 95%CI: 1.184 - 1.361, p<0.001), early marriage (AIRR1.481, 95% CI: 1.435 - 1.529, p<0.001), lack of knowledge of any contraceptives (AIRR1.508, 95% CI: 1.409 - 1.613, p<0.001) and failure to use modern contraceptives (AIRR1.745, 95% CI: 1.627 - 1.863, p<0.001) were associated with high fertility but with different effects than in Burundi. Conclusion: the evidence from this study suggests that interventions to accelerate the fertility transition processes in Burundi and many other countries with slow fertility transitions should be designed and implemented according to each country's local context.

Determinants of the unmet needs for information, education and communication on sexual health among single youths in Burundi.

The prevalence of HIV/AIDS among young people aged 15-24 in urban areas is at least 12 times higher among girls than boys in Burundi, while it is twice as high in Rwanda. The gap between the two countries could be narrowed if Burundi's single young people were provided with sufficient information about their sexual health through appropriate channels. The aim of this study was to examine the social and individual "determinants" of unmet needs for sexual health information, education and communication (IEC) among unmarried young boys and girls aged 15-24 in Burundi, using data from the 2016 Demographic and Health Survey (DHS). Data were analyzed at the bivariate level using cross-tabulations and chi-squared tests, and at the multivariate level using binary logistic regression methods. According to the results of the study, the 'determinants' of the phenomenon studied are, for both sexes, the size of the household, the age of the youths, their level of education, their knowledge of where to take the HIV/AIDS test and their region of residence; only in the case of boys do we find, in addition, the age of the head of the household, his level of education and the adolescents' exposure to the media; similarly, only in the case of girls do we find their economic activity and their perception of HIV/AIDS. Multisectoral IEC actions on sexual health for young people should therefore be strengthened in Burundi.

Au Burundi, en milieu urbain, la prévalence du VIH/SIDA est, chez les jeunes de 15-24 ans, au moins douze fois plus élevée chez les jeunes filles que chez les jeunes garçons, alors qu'au Rwanda elle est deux fois plus élevée. L'écart entre les deux pays serait réduit si les jeunes célibataires burundais recevaient suffisamment d'information sur leur santé sexuelle par des canaux appropriés. L'objectif de cette étude était de chercher au Burundi, chez les jeunes garçons et filles célibataires âgés de 15-24 ans, les « déterminants ¼ sociaux et individuels des Besoins Non Satisfaits (BNS) en Information, Education et Communication (IEC) en santé sexuelle à partir des données de l'Enquête Démographique et de Santé (EDS) de 2016. Ces dernières ont été analysées, au niveau bivarié, en recourant aux tableaux croisés et tests de chi-deux, et, au niveau multivarié, en recourant aux méthodes de régression logistique binaire. A en croire les résultats de l'étude, dans les deux sexes, les « déterminants ¼ du phénomène étudié sont la taille du ménage, l'âge du jeune, son niveau d'instruction, sa connaissance de l'endroit où faire le test de VIH/SIDA et sa région de résidence ; seulement, chez les garçons, on retrouve en plus l'âge du chef de ménage, son niveau d'instruction et l'exposition aux médias ; de même, seulement, chez les filles, on retrouve leur activité économique et leur perception du VIH/SIDA. Les actions multisectorielles d'IEC en santé sexuelle concernant les jeunes devraient alors être renforcées au Burundi.

Spatial distribution and predictive factors of antenatal care in Burundi: A spatial and multilevel baseline analysis for the third burundian demographic and health survey.

INTRODUCTION: The use of antenatal care by pregnant women enables them to receive good pregnancy monitoring. This monitoring includes counseling, health instructions, examinations and tests to avoid pregnancy-related complications or death during childbirth. To avoid these complications, the World Health Organization (WHO) recommends at least four antenatal visits. Therefore, this study was conducted to identify predictive factors of antenatal care (ANC) among women aged 15 to 49 years and its spatial distribution in Burundi. METHODS: We used data from the Second Burundi Demographic and Health Survey (DHS). A Spatial analysis of ANC prevalence and Mulitlevel logistic regressions of determinants factors of ANC with a medical doctor were done. The ANC prevalence was mapped by region and by province. In unsampled data points, a cluster based interpolation of ANC prevalence was done using the kernel method with an adaptive window. Predictive factors of ANC were assessed using Mulitlevel logistic regressions. The dependent variable was antenatal care with a medical doctor and the explanatory variables were place of residence, age, education level, religion, marital status of the woman, household wealth index and delivery place of the woman. Data processing and data analysis were done using using Quantum Geographic Information System (QGIS) and R software, version 3. 5. 0. RESULTS: The ANC prevalence varied from 0. 0 to 16. 2% with a median of 0. 5%. A highest predicted ANC prevalence was observed at Muyinga and Kirundo provinces' junction. Low prevalence was observed in several locations in all regions and provinces. The woman's education level and delivery place were significantly associated with antenatal care with a medical doctor. CONCLUSION: Globally, the ANC prevalence is low in Burundi. It varies across the country. There is an intra-regional or intra-provincial heterogeneity in term of ANC prevalence. Woman's education level and delivery place are significantly associated antenatal care. There is a need to consider these ANC disparities and factors in the design and strengthening of existing interventions aimed at increasing ANC visits.

Management of cancer disease in Burundi, a health challenge.

Cancer is a major public health problem that affects every country in the world. Some countries, most often developed, have made significant diagnostic and therapeutic advances over the years, transforming cancer into a long-term chronic disease and sometimes permitting a cure, even at the metastatic stage. Other countries are lagging behind and the challenge posed by cancer remains as relevant as ever. Burundi is one of these countries as well as several others in the African region. For many years, the care of cancer patients in Burundi has been exported to foreign countries (Rwanda, Kenya, South Africa, Morocco, France, India…) in search of quality care. This is particularly possible for the more affluent, with a total cost much higher than a local dispensation. For this reason, the strengthening of the local health system, the establishment of dedicated infrastructure, the promotion of training and research in cancer as well as the strengthening of the information and education policy could help meet the challenge posed by cancer in Burundi.

Long-lasting insecticidal nets provide protection against malaria for only a single year in Burundi, an African highland setting with marked malaria seasonality.

BACKGROUND: Long-lasting insecticidal nets (LLINs) are one of the key interventions in the global fight against malaria. Since 2014, mass distribution campaigns of LLINs aim for universal access by all citizens of Burundi. In this context, we assess the impact of LLINs mass distribution campaigns on malaria incidence, focusing on the endemic highland health districts. We also explored the possible correlation between observed trends in malaria incidence with any variations in climate conditions. METHODS: Malaria cases for 2011-2019 were obtained from the National Health Information System. We developed a generalised additive model based on a time series of routinely collected data with malaria incidence as the response variable and timing of LLIN distribution as an explanatory variable to investigate the duration and magnitude of the LLIN effect on malaria incidence. We added a seasonal and continuous-time component as further explanatory variables, and health district as a random effect to account for random natural variation in malaria cases between districts. RESULTS: Malaria transmission in Burundian highlands was clearly seasonal and increased non-linearly over the study period. Further, a fast and steep decline of malaria incidence was noted during the first year after mass LLIN distribution (p<0.0001). In years 2 and 3 after distribution, malaria cases started to rise again to levels higher than before the control intervention. CONCLUSION: This study highlights that LLINs did reduce the incidence in the first year after a mass distribution campaign, but in the context of Burundi, LLINs lost their impact after only 1 year.

Assessing the burden of Taenia solium cysticercosis in Burundi, 2020.

BACKGROUND: Taenia solium cysticercosis is a zoonotic disease that is endemic in many low- and middle-income countries where risk factors for disease transmission are present. The economic impact of cysticercosis on public health and on the pig production sector is not well known in many of those countries, including Burundi. This study aimed at estimating the burden of T. solium cysticercosis in Burundi including data on humans and pigs. METHODS: Epidemiological and economic data were collected from literature up to July 30, 2021 and governmental and non-governmental agencies. Direct and indirect costs for neurocysticercosis (NCC)-associated epilepsy and losses due to porcine cysticercosis were estimated to assess the economic burden, while the health burden was estimated using zoonotic disability-adjusted life years (zDALYs). Different probability distributions (Uniform, Beta, Dirichlet and Gamma) were applied depending on the type of epidemiological parameter. Monte Carlo simulations and 100,000 iterations were used to calculate the 95% uncertainty interval (UI) for each parameter and perform sensitivity analyses. RESULTS: In Burundi, 4.26 million USD (95% UI, 1,858,308-8,190,951) were estimated as economic impact due to T. solium cysticercosis in humans and pigs, of which 40.2% (95% UI, 10.3-75.1) of the total costs were due to NCC-associated epilepsy and 59.8% (95% UI, 24.9-89.7) of the losses due to porcine cysticercosis. The cost per NCC-associated epilepsy case was 72 USD (95% UI, 25-168), representing 30.8% of the GDP per capita in 2020. The probable incident cases and deaths for NCC-associated epilepsy were 9065 (95% UI, 2370-16,716) and 61 (95% UI, 16-114), respectively. More than 2 zDALYs (95% UI, 1.1-3.4) per thousand person-years was estimated, of which an average of 1.3 DALYs [0;0] (95% UI, 0.3-2.6) was due to NCC- associated epilepsy and 0.8 animal loss equivalents (ALEs) (95% UI, 0.3-1.5) due to porcine cysticercosis. CONCLUSIONS: This study provides evidence of a significant burden of T. solium cysticercosis for Burundi's population. We urge policy makers to use these evidence-based results and put T. solium cysticercosis on the public health agenda of the country. This study recommends urgent action to find solutions for integrated control strategies for T. solium cysticercosis in Burundi.

Hypertension and associated factors in HIV-infected patients receiving antiretroviral treatment in Burundi: a cross-sectional study.

Currently, the life expectancy of people living with the human immunodeficiency virus (HIV) and the general population are similar. Hypertension is a major public health issue in Africa and is largely underdiagnosed. Most HIV-infected individuals, especially those on Anti-Retroviral Therapy (ART) have hypertension. Our project aims to determine the prevalence of hypertension and associated factors amongst HIV-infected adults treated by ART in Burundi. A cross-sectional study was conducted among HIV-infected subjects over the age of 20, managed in five healthcare centers for people living with HIV (PLWH). The World Health Organization STEPWISE survey and anthropometric measurements were employed. Blood pressure was measured according to the ESC 2018 recommendations. 1 250 HIV-infected patients aged between 35.4 and 50.2 years were included (18.4% men). The prevalence of hypertension was 17.4% (95% CI 13.2-22.1). Approximately 47.25% of HIV patients with hypertension were previously undiagnosed. Other factors were associated with HTN, such as being overweight (OR 2.88; 95% CI 1.46-5.62), obesity (OR 2.65; 95% CI 1.27-5.55), longer duration of HIV infection: ≥ 10 years (OR 1.04; 95% CI 1.14-3.20), diabetes (OR 2.1; 95% CI 1.37-3.32) and age (OR 1.13; 95% CI 1.09-1.14). Despite their young age, almost 20% of HIV-ART treated patients had hypertension, 50% of these were undiagnosed. Blood pressure monitoring is crucial in these patients, especially those identified as high-risk, with prompt life and disability-saving interventions.

HIV testing uptake and determinants among adolescents and young people in Burundi: a cross-sectional analysis of the Demographic and Health Survey 2016-2017.

OBJECTIVES: To assess HIV testing uptake and its determinants among adolescents and young adults. DESIGN: Cross-sectional design involving analysis of 2016 Demographic and Health Survey data. SETTING: Nationally representative survey of Burundi. PARTICIPANTS: A total of 7218 young women and 2860 young men were included. PRIMARY AND SECONDARY OUTCOME: We estimated the proportion of adolescent (15-19 years) and young adult (20-24 years) women and men who had tested for HIV and received results in the 12 months preceding the survey. Multivariable logistic models for determining predictors of HIV testing uptake were fitted among respondents aged 15-24 regardless of sexual activity in the 12 months before the survey and separately among a subset that reporting having had sex in the 12 months preceding the survey. RESULTS: An estimated 27.1% (95% CI 25.8% to 28.4%) women and 16.6% (95% CI 15.1% to 18.1%) men had tested for HIV and received results in the 12 months preceding the survey. The proportion was more than twice as high among those aged 20-24 years compared with 15-19 years, among both sexes. In multivariable analysis, older age (20-24 years) was associated with HIV testing (adjusted OR (aOR): 1.62, 95% CI 1.38 to 1.91) among women; (aOR: 1.78, 95% CI 1.32 to 2.40) among men. Higher educational level (aOR: 1.40, 95% CI 1.11 to 1.76) was significantly associated with HIV testing uptake among women. Male circumcision status, condom use, number of sex partners, history of STIs were not associated with HIV testing among the subset that reported having had sex in the 12 months preceding the survey. CONCLUSION: Despite the interventions implemented to reach the 90-90-90 UNAIDS goals, HIV testing among youth in Burundi was low. Youth-friendly health centres should be part of strategies to stimulate young people to increase uptake of HIV preventive services in Burundi.

Barriers to healthcare access and healthcare seeking for childhood illnesses among childbearing women in Burundi.

INTRODUCTION: Poor health seeking behaviour continues to be major challenge in accessing healthcare in sub-Saharan Africa despite the availability of effective treatment for most childhood illnesses. The current study investigated the barriers to healthcare access and health seeking for childhood illnesses in Burundi. METHODS: The study utilized data from the 2016-17 Burundi Demographic and Health Survey (BDHS). A total of 2173 children under five of childbearing women were included in our study. The outcome variable for the study was healthcare seeking for childhood illnesses (diarrhea and fever/cough). Barriers to healthcare access were the explanatory variables and maternal and child factors were the control variables. Chi-square test of independence and a binary logistic regression modelling were carried out to generate the results. RESULTS: Overall, less than 50% of children in Burundi who were ill two weeks before the survey obtained healthcare. We found that children of mothers who perceived getting money for medical care for self as a big problem [aOR = 0.75; CI = 0.60-0.93] and considered going for medical care alone as a big problem [aOR = 0.71; CI = 0.55-0.91] had lower odds of getting healthcare, compared to those of mothers who considered these indicators as not a big problem. The results also showed that children of mothers who had three [aOR = 1.48; 1.02-2.15] and four [aOR = 1.62; 1.10-2.39], children were more likely to get healthcare for childhood illnesses compared to those whose mothers had one child. Children of mothers with single birth children were less likely to get healthcare compared to those whose mothers had multiple births. CONCLUSION: Findings of the low prevalence of healthcare for childhood illnesses in Burundi suggest the need for government and non-governmental health organizations to strengthen women's healthcare accessibility for child healthcare services and health seeking behaviours. The Burundian government through multi-sectoral partnership should strengthen health systems for maternal health and address structural determinants of women's health by creating favourable conditions to improve the status of women and foster their overall socioeconomic well-being. Free child healthcare policies in Burundi should be strengthened to enhance the utilization of child healthcare services in Burundi.

Prevalence, trend and determinants of adolescent childbearing in Burundi: a multilevel analysis of the 1987 to 2016-17 Burundi Demographic and Health Surveys data.

BACKGROUND: Very little is known about factors influencing adolescent childbearing despite an upward trend in adolescent childbearing prevalence in Burundi, and its perceived implications on the rapid population growth and ill-health of young mothers and their babies. To adress this gap, this study aimed to examine the prevalence, trends and determinants of adolescent childbearing in Burundi. METHODS: Secondary analyses of the 1987, 2010 and 2016-17 Burundi Demographic and Health Surveys (BDHS) data were conducted using STATA. Weighted samples of 731 (1987 BDHS), 2359 (2010 BDHS) and 3859 (2016-17BDHS) adolescent girls aged 15-19 years old were used for descriptive and trend analyses. Both bivariable and multivariable two-level logistic regression analyses were performed to identify the main factors associated with adolescent childbearing using only the 2016-17 BDHS data. RESULTS: The prevalence of adolescent childbearing increased from 5.9% in 1987 to 8.3% in 2016/17. Factors such as adolescent girls aged 18-19 years old (aOR =5.85, 95% CI: 3.54-9.65, p <  0.001), adolescent illiteracy (aOR = 4.18, 95% CI: 1.88-9.30, p <  0.001), living in poor communities (aOR = 2.19, 95% CI: 1.03-4.64, p = 0.042), early marriage (aOR = 9.28, 95% CI: 3.11-27.65, p <  0.001), lack of knowledge of any contraceptive methods (aOR = 5.33, 95% CI: 1.48-19.16, p = 0.010), and non-use of modern contraceptive methods (aOR = 24.48, 95% CI: 9.80-61.14), p <  0.001) were associated with higher odds of adolescent childbearing. While factors such as living in the richest household index (aOR = 0.52, 95% IC: 0.45-0.87, p = 0.00), living in West region (aOR = 0.26, 95%CI: 0.08-0.86, p = 0.027) or in South region (aOR = 0.31, 95% CI: 0.10-0.96, p = 0.041) were associated with lower odds of adolescent childbearing. CONCLUSION: Our study found an upward trend in adolescent childbearing prevalence and there were significant variations in the odds of adolescent childbearing by some individual and community-level factors. School-and community-based intervention programs aimed at promoting girls' education, improving socioeconomic status, knowledge and utilization of contraceptives and prevention of early marriage among adolescent girls is crucial to reduce adolescent childbearing in Burundi.

Prevalence and factors associated with anaemia in children aged 6-24 months living a high malaria transmission setting in Burundi.

BACKGROUND: In very young children, anaemia has been linked to increased morbidity, mortality and poor cognitive development. Although Burundi has a high burden of anaemia, which may be worsened by the high burden of malaria, little is known about the extent of the problem in very young children who are most at risk of severe disease. We estimated the prevalence, and assessed the factors associated with anaemia in children aged 6-24 months using baseline data collected as part of an on-going study evaluating the effect of Micronutrient supplementation on anaemia and cognition among children in high malaria transmission settings in Burundi. METHODS: Between February and March 2020, surveys were conducted in 498 households within the catchment area of Mukenke Health Center. One child aged 6-24 months was selected per household to participate in the survey. Following written informed consent, we administered a questionnaire to the child's primary caregiver to capture information on child's demographics, nutritional status, food intake, health (status, and morbidity and treatment-seeking practices), as well as the household markers of wealth. A physical exam was conducted, and a blood sample was collected to: 1) assess for presence of plasmodium infection using a rapid diagnosis test; 2) estimate the haemoglobin levels using a portable haemocue machine. A stool sample was also collected to examine for the presence of helminth infections. RESULTS: The prevalence of anaemia was 74.3% (95% confidence interval [CI] 61.5%-84.0%), with most of the anaemic study participants classified as having moderate anaemia (59.2%). A total of 62 (12.5%) participants had positive malaria rapid diagnosis tests. Factors significantly associated with higher odds of developing anaemia included not receiving deworming medication (adjusted Odd ratio [aOR] = 3.54, 95% CI 1.79-6.99, p<0.001), the child's home location (Mukenke II: aOR = 2.22, 95% CI 1.89-2.62, p<0.001; Mukenke: aOR = 2.76, 95% CI 2.46-3.10, p<0.001 and Budahunga: aOR = 3.12, 95% CI 2. 94-3.31, p<0.001) and the child's age group (Children aged 6-11 months: aOR = 2.27, 95% CI 1.32-3.91, p<0.001). Education level was inversely associated with less odds of anaemia: child's primary care giver with a secondary (aOR = 0.67; 95% CI: 0.47-0.95, p = 0,024) and tertiary education level (aOR = 0.48; 95% CI: 0.38-0.61, p<0.001). CONCLUSION: Anaemia is highly prevalent among young children in high malaria transmission setting. Anaemia is more prevalent among children who not dewormed and those with malaria. To prevent the long-term adverse outcomes of the anaemia in children, policy makers should focus on improving uptake of the deworming and malaria prevention programs, promote preventive interventions and improve the education of women especially in families with very young children.

Outbreaks of Foot-and-Mouth Disease in Burundi, East Africa, in 2016, Caused by Different Serotypes.

Burundi is a small, densely populated country in the African Great Lakes region. In March 2016, several hundreds of cattle were reported with vesicular lesions, suggesting foot-and-mouth disease (FMD). Epithelial samples, saliva, and blood were collected in six of the affected provinces spread over the country. The overall seroprevalence of FMD virus (FMDV) in the affected herds, as determined by antibodies against FMDV non-structural proteins, was estimated at 87%. Antibodies against FMDV serotypes O (52%), A (44%), C (19%), SAT1 (36%), SAT2 (58%), and SAT3 (23%) were detected across the provinces. FMDV genome was detected in samples from five of the six provinces using rRT-PCR. FMDV was isolated from samples from three provinces: in Cibitoke province, serotypes A and SAT2 were isolated, while in Mwaro and Rutana provinces, only serotype SAT2 was isolated. In Bururi and Cankuzo provinces, the serological profile suggested a recent incursion with serotype SAT2, while in Bubanza province, the serological profile suggested past incursions with serotype O and possibly serotype SAT1. The phylogenetic assessments showed the presence of topotypes A/Africa/G-I and SAT2/IV, similarly to previously characterized virus strains from other countries in the region, suggesting a transboundary origin and necessitating a regional approach for vaccination and control of FMD.

Loss to follow-up of patients in HIV care in Burundi: A retrospective cohort study.

OBJECTIVE: The objective was to assess the loss to follow-up (LTFU) rates and associated factors amongst patients in HIV care in Burundi. METHODS: We conducted a retrospective cohort study in HIV-positive patients aged ≥15 years who started antiretroviral therapy (ART) between January 2015 and July 2020, with 31 December 2020 as the end point. The outcome of LTFU was defined as failure of a patient to report for drug refill within 90 days from the last appointment. Study data were extracted from the national AIDS Info database. The LTFU proportion was determined using the Kaplan-Meier method with the log-rank test, whereas LTFU risk factors were explored using the Cox regression model. RESULTS: A total of 29,829 patients on ART were included in the analysis. Cumulative incidence of LTFU was 2.3% at 12 months, 6.5% at 24 months, 12.7% at 36 months, 19.0% at 48 months, 24.1% at 60 months and 25.3% at 72 months. The overall LTFU incidence rate was 11.2 per 100 person-years of observation. The risk of LTFU was higher amongst patients who started ART after 2016 (adjusted hazard ratio [aHR] 1.75, 95% confidence interval [CI] 1.65-1.85) or within 7 days after diagnosis (aHR 1.27, 95% CI 1.21-1.35). CONCLUSION: Our findings demonstrate the relatively high incidence of LTFU in the Burundi HIV programme. Interventions targeting patients with risk factors for LTFU are particularly necessary.

Maternal and neonatal death surveillance and response is implemented in Burundi but needs improvement.

OBJECTIVE: To analyze implementation of the maternal and neonatal death surveillance and response (MNDSR) strategy in Burundi. METHODS: Secondary data analysis using a qualitative approach and document review. The qualitative approach consisted of semistructured interviews with decision-makers at central, regional, and district levels, health providers, and technical and financial partners using four interview guides and a data extraction tool. Document review utilized maternal death review reports and policy documents. Interviews and hospital visits took place from July 16-26, 2017, in Bujumbura and Gitega, Burundi. RESULTS: Notification of maternal deaths is incorporated into the Integrated Disease Surveillance and Response (IDSR) system. Maternal death review committees existed in the five visited hospitals (Prince Regent Charles Hospital and Kamenge University Hospital in Bujumbura, Gitega Regional Hospital, Kibimba District Hospital, and Kibuye District Hospital) but not at subnational level (provincial or district levels). Since the beginning of 2017, maternal death review has been effective and regular in some district and regional hospitals due to integration of quality-of-care criteria for the performance-based financing strategy; review has been less effective at national hospital level. Implementation of review recommendations is heterogeneous and varies from one health facility to another. No formal follow-up mechanism on review recommendations was identified. Notification and review of neonatal deaths does not occur, nor does notification of maternal or neonatal deaths at community level. CONCLUSION: Despite integration of notification of maternal deaths into IDSR, efforts must be undertaken to scale up MNDSR to include neonatal deaths and maternal and neonatal deaths at community level.

Prevalence and predictive risk factors of hypertension in patients hospitalized in Kamenge Military hospital and Kamenge University teaching hospital in 2019: A fixed effect modelling study in Burundi.

INTRODUCTION: Hypertension is a major threat to public health globally. Especially in sub-Saharan African countries, this coexists with high burden of other infectious diseases, creating a complex public health situation which is difficult to address. Tackling this will require targeted public health intervention based on evidence that well defines the at risk population. In this study, using retrospective data from two referral hospitals in Burundi, we model the risk factors of hypertension in Burundi. MATERIALS AND METHODS: Retrospective data of a sample of 353 randomly selected from a population of 4,380 patients admitted in 2019 in two referral hospitals in Burundi: Military and University teaching hospital of Kamenge. The predictive risk factors were carried out by fixed effect logistic regression. Model performance was assessed with Area under Curve (AUC) method. Model was internally validated using bootstrapping method with 2000 replications. Both data processing and data analysis were done using R software. RESULTS: Overall, 16.7% of the patients were found to be hypertensive. This study didn't showed any significant difference of hypertension's prevalences among women (16%) and men (17.7%). After adjustment of the model for cofounding covariates, associated risk factors found were advanced age (40-59 years) and above 60 years, high education level, chronic kidney failure, high body mass index, familial history of hypertension. In absence of these highlighted risk factors, the risk of hypertension occurrence was about 2 per 1000 persons. This probability is more than 90% in patients with more than three risk factors. CONCLUSION: The relatively high prevalence and associated risk factors of hypertension in Burundi raises a call for concern especially in this context where there exist an equally high burden of infectious diseases, other chronic diseases including chronic malnutrition. Targeting interventions based on these identified risk factors will allow judicious channel of resources and effective public health planning.

Molecular survey of cattle ticks in Burundi: First report on the presence of the invasive Rhipicephalus microplus tick.

A recent research study on prevalence of tick-borne pathogens in Burundi reported high prevalence and endemicity of Theileria parva, Anaplasma marginale and Babesia bigemina infections in cattle. Detailed information about tick species infesting animals, their distribution and genetic diversity in Burundi is outdated and limited. This study therefore assessed the prevalence and genetic diversity of tick species infesting cattle across agroecological zones (AEZs) in Burundi. A cross-sectional study on the occurrence of tick species was conducted in 24 districts of Burundi between October and December 2017. Differential identification and characterization of ticks collected was conducted using tick morphological keys and molecular tools (cox1 and 12S rRNA gene). Chi-square test was used to test for association between agroecological zones and the prevalence of tick species. Phylogenetic relationships were inferred using bayesian and maximum likelihood algorithms. A total of 483 ticks were collected from the five AEZs sampled. Six tick species comprising of Rhipicephalus appendiculatus, R. sanguineus, R. evertsi evertsi, R. microplus, R. decoloratus and Amblyomma variegatum were observed. Rhipicephalus appendiculatus were the most prevalent ticks (~45%). A total of 138 specimens (28%) were found to be Rhipicephalus microplus, suggesting an emerging threat for cattle farmers. Twelve R. appendiculatus cox1 haplotypes were obtained from 106 specimens that were sequenced. Two cox1 haplotypes of R. microplus which clustered into previously reported Clade A were observed. Rhipicephalus sanguineus and R. evertsi evertsi ticks, the vectors of numerous zoonotic pathogens, were collected from cattle, which constitute a high risk for public health. These findings reveal an overlapping distribution of tick vectors in Burundi. The design of ticks and tick-borne diseases control strategies should consider the distribution of different vectors across the AEZs particularly the presence of the highly invasive R. microplus tick in Burundi and the potential risk of introducing the pathogenic Babesia bovis.