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The attainment of the global target of zero dog-mediated human rabies by 2030 depends on functional rabies programmes. Nigeria, a rabies-endemic country, and the most populous country in Africa has a very poor rabies control strategy with a score of 1.5 out of 5 based on the Stepwise Approach towards Rabies Elimination (SARE). In this article, we report a scoping review that we conducted to highlight the strengths, weaknesses, opportunities and threats as well as situational analysis of rabies control in Nigeria and suggest a timeline for key activities that are needed to ensure zero by 30. Our findings reveal that rabies is grossly under-reported as only 998 human and 273 dog-suspected rabies cases were reported across Nigeria between 2017 and 2022. Our literature review also demonstrates a paucity of information on rabies in both human and animal health sectors. A total of 49 studies on dog rabies in Nigeria, with a predominance of reports from the North Central geopolitical region (48%, n = 23) were therefore included in this study. Currently, only 16.2% (n = 6/37) of Nigerian states have available data related to the estimated dog populations, the dog ownership rates, the vaccination status of dogs or the incidence of dog bites. Based on a dog-to-human ratio of 1:16.3, we estimated that the dog population in Nigeria was 12,969,368 (95% CI: 12,320,900-13,617,836). Thus, to attain herd immunity and dog rabies control in Nigeria, at least 9.1 million dogs must be vaccinated annually. Our review reveals that, despite the strengths and available opportunities to achieve rabies control in Nigeria by 2030, the weaknesses and challenges will make the attainment of zero by 30 very difficult or impossible. Nigeria's best-case scenario by the year 2030 is SARE stage 3-4 (control-elimination) out of 5. Otherwise, the rabies control programme might not surpass SARE stages 2-3. To attain zero by 30, Nigeria must re-strategize its current rabies control programme by funding and implementing the national strategic plan for rabies control, creating a rabies desk office in the 37 states (FCT inclusive), rigorously conducting mass vaccination campaigns, providing post-exposure prophylaxis, prioritizing mass enlightenment with a focus on responsible pet ownership and conduct baseline national rabies surveillance in the animal and human health sectors.
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Mordeduras e Picadas , Doenças do Cão , Vacina Antirrábica , Raiva , Animais , Humanos , Cães , Raiva/epidemiologia , Raiva/prevenção & controle , Raiva/veterinária , Nigéria/epidemiologia , Doenças do Cão/epidemiologia , Doenças do Cão/prevenção & controle , Profilaxia Pós-Exposição , Mordeduras e Picadas/epidemiologia , Mordeduras e Picadas/prevenção & controle , Mordeduras e Picadas/veterináriaRESUMO
Despite increasing reports of tick-borne diseases in Africa, remarkably, reports of tick-borne relapsing fever (TBRF) in Nigeria are lacking. Ornithodoros savignyi from Nigeria have been reported with the relapsing fever Candidatus Borrelia kalaharica. Conversely, in Ethiopia, the agent of relapsing fever is the louse-borne relapsing fever (LBRF) spirochaete Borrelia recurrentis with no TBRF reported to occur. A total of 389 Ornithodoros ticks, Ethiopia (N = 312) and Nigeria (N = 77), were sampled, together with 350 cattle, and 200 goat sera were collected from Nigeria. Samples were screened for Borrelia spp. by RT-PCR. Reactive samples were confirmed, then sequenced using flagellin B, 16S rRNA, and 16S-23S intergenic spacer region. The prevalence of Borrelia spp. in livestock was 3.8% (21/550) and 14% (3/21) after final molecular confirmation. Of 312 ticks from Ethiopia, 3.5% (11/312) were positive for Borrelia, with 36% (4/11) by conventional PCR. Sequencing revealed that the borreliae in soft ticks was C. B. kalaharica, whilst that found in animals was Borrelia theileri. Soft ticks were confirmed by sequencing 7% (22/312) and 12% (9/77) of the Ethiopian and Nigerian ticks, respectively. Phylogenetic analysis revealed that these were Ornithodoros savignyi. This is the first evidence of C. B. kalaharica in Ethiopia and demonstrates the co-existence of TBRF in a country endemic to LBRF. Important, this might cause a diagnostic challenge given that LBRF is predominantly diagnosed by microscopy, which cannot differentiate these two spirochaetes. Furthermore, we report B. theileri in ruminants in Nigeria, which may also be of veterinary and economic importance.
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The index case of COVID-19 in Nigeria was in February 2020. The pandemic has resulted in severe social, economic, and public health challenge in Nigeria. Nigeria has experienced pandemic fatigue (PF) characterized by its low testing capacity, poor public adherence to COVID-19 preventive measures, and the urge to return to normal. This viewpoint examines Nigeria's obvious PF amongst Nigerians and believed that community engagement would be a master key to reducing Nigeria's PF and preventing another wave of the pandemic in Nigeria. Community engagement (CE) is a viable way for monitoring the spread of the SARS-CoV-2. CE is cost-effective, improves the chances of people voluntarily presenting themselves for COVID-19 testing at the grass-root level, and could halt the spread of COVID-19 in Nigeria especially with the detection of the delta and omicron variants in Nigeria.
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Rabies is an endemic, highly fatal, and vaccine-preventable disease with severe socio-economic implications. Most (99%) human rabies cases are transmitted through dog bites. Children under 15 years account for 40% of all dog bite victims and 35-50% of all rabies deaths. Rabies awareness among this vulnerable group is critical to rabies prevention. However, there is a paucity of data on rabies awareness among pupils under 15. Hence, this study assessed the awareness and attitude of pupils under 15 years towards canine rabies in Kwara state in Nigeria. The study was conducted as a cross-sectional survey of 1,388 pupils across the state using a structured questionnaire that was administered as a one-on-one interview using the Open Data Kit on Android phones in December 2019. Of the 1388 pupils included in this study, only 21.7% (n = 301) of them were aware of rabies. The mean rabies score was 1.7±0.8 and only 29.2% (n = 88/301) of the pupils had adequate knowledge of canine rabies. The dog ownership rate was 18.7% (n = 259) with an average of 1.93 dogs per household. Approximately 5% (n = 66) of the pupils have been previously bitten by a dog. One-third of the dog bite victims (35%, n = 23/66) were managed and treated at home and only 12% (n = 8/66) were treated in a health facility. The result of the multivariable logistic regression showed that students aged between 13-15 years were more likely (OR: 1.93; 95% CI: 0.72-3.01; p < 0.001) to have adequate knowledge of rabies than the younger pupils. Similarly, pupils that have dogs in their households (OR: 2.09; 95%CI: 1.49-2.75; p < 0.001) and those that reside in Kwara South (OR:1.78 95% CI:1.29, 2.44; p < 0.001) were more likely to be aware and have adequate knowledge of canine rabies respectively. Finally, Pupils from non-dog-owning households were more likely (OR:2.2; 95% CI: 1.45, 4.42; p < 0.001) to have been bitten by dogs than those from dog-owning households. The awareness and attitude of pupils under 15 to canine rabies was poor. We advocate the introduction of rabies lessons into the school curriculum in Kwara State to reduce the incidence of dog bites and prevent dog-mediated human rabies.
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Mordeduras e Picadas , Doenças do Cão , Vacina Antirrábica , Raiva , Adolescente , Animais , Mordeduras e Picadas/epidemiologia , Criança , Estudos Transversais , Doenças do Cão/epidemiologia , Doenças do Cão/prevenção & controle , Cães , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Nigéria/epidemiologia , Percepção , Raiva/epidemiologia , Raiva/prevenção & controle , Raiva/veterinária , Inquéritos e QuestionáriosRESUMO
Background: The public knowledge and adherence to the established coronavirus disease 2019 (COVID-19) precautionary measures are crucial to Nigeria's war against the pandemic. Public health education on its preventive practices at the grassroots level was initially crucial to achieving a lower COVID-19 incidence in Kwara State, Nigeria. Methods: We assessed the knowledge of, and adherence to COVID-19 precautionary measures at the community level among 795 respondents from the three senatorial zones of Kwara State. Results: 54.5% (433/795) of the respondents were aged between 21 and 40 years, and 45.9% (365/795) of the respondents had a bachelor's degree or higher. Study participants had a good knowledge of COVID-19, its symptoms, and its mode of transmission. 91.8% of the respondents (730/795) had a positive perception of the COVID-19 preventive measures while 96.1% (763/795) of the respondents agreed that maintaining social distance was important in curbing the COVID-19 pandemic. However, only 38% (302/795) of them used face masks and only 25.7% (204/795) of the respondents used hand sanitizers. In addition, only 31.9% (253/795) of the respondents isolated themselves when they were ill. Multi-variable logistic regression analysis revealed that education, occupation, gender, and ethnicity were significantly associated with positive COVID-19 preventive practices among residents of Kwara State. Civil servants were more likely (AOR: 3.14; 95% confidence interval [CI]: 0.67 to 14.82; P = 0.034) to have positive preventive attitudes than other respondents. Study participants with tertiary education and those that were Yoruba (ethnicity) were 14.81 times more likely (95% CI: 4.29 to 51.05; P = 0.001) and 5.19 times more likely (95% CI: 1.82 to 14.84; P = 0.007) to have positive attitudes towards the laid-down COVID-19 preventive measures respectively. Conclusion: The poor community adherence to the COVID-19 preventive practices could pre-dispose Kwara to more COVID-19 cases. More community engagement activities are needed to fully curb the spread of the COVID-19. Public health education should focus on preventive measures, vaccine acceptance, and community monitoring of COVID-19.
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Fruits and vegetables are sources of parasitic infections in humans. This study was designed to determine the epidemiology of parasitic contamination of fruits, vegetables, and water, as well as the perception of retailers, buyers, and consumers about its contamination in Kwara Central, Nigeria. A cross-sectional study design was employed for this study. A total of 160 fruits, 349 vegetables, and 51 water samples were randomly purchased/collected from thirty different markets. The samples were subjected to sedimentation and modified Ziehl-Neelsen staining techniques. All the types of fruits and vegetables sampled were contaminated with one or more parasites. Eleven different species of zoonotic parasites (6 protozoans and 5 helminths) were detected. Entamoeba coli (39.8%) and Strongyloides stercoralis (9.6%) were the most prevalent protozoan and helminth respectively. The prevalence of other protozoan parasites ranged between 21.3% (Entamoeba histolytica) and 2.3% (Balantidium coli), while that of helminths was between 5.7% (Ascaris lumbricoides) and 2.1% (Trichuris trichiura). Source of fruits and vegetables, source of manure for cultivation, the source of water for washing/wetting purpose, market type, washing of fruits and vegetables before display, the presence of children at home and in the market, and knowledge of parasitic contamination were the risk factors associated (P<0.05) with parasitic contamination of fruits and vegetables among sellers. There is a need to educate the general public on the possibilities of parasitic contamination of fruits and vegetables and its public health implications.
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Helmintos , Enteropatias Parasitárias , Parasitos , Animais , Criança , Estudos Transversais , Contaminação de Alimentos/análise , Frutas , Humanos , Enteropatias Parasitárias/parasitologia , Nigéria/epidemiologia , Prevalência , Saúde Pública , Verduras/parasitologia , ÁguaRESUMO
Antimicrobial resistance is a global public health crisis. However, there is a paucity of data on anti-protozoal resistance (APR), especially in animals. Hence, we assessed the knowledge of prudent antiprotozoal drug usage (APU) and resistance among animal health practitioners (AHPs) in Kwara State, Nigeria.A cross-sectional survey of 435 AHPs was performed in Kwara State from the 5th of March to the 31st of July 2020 using a structured and validated questionnaire. We used logistic regression analysis to identify socio-demographic factors that are associated with the satisfactory perception of prudent APU and good knowledge of APR among AHPs.Our findings showed that 80.2% (n = 349) of the AHPs in Kwara state had a good knowledge of APR with a mean knowledge score of 5.8 ± 1.2. In the same vein, 75.6% (n = 329) of the AHPs had a satisfactory perception of prudent APU with a mean score of 3.84 ± 1.21. Only 10.1% of the AHPs had observed treatment failures after the use of anti-protozoal drugs. Most of the AHPs (75.6%) believed that APR poses a significant threat to animal production and health globally. Logistic regression analysis showed that female AHPs were more likely (OR: 2.17; 95% CI: 0.91, 5.20; p < 0.005) to have better knowledge of APR than their male counterparts. AHPs with tertiary education were likely (OR: 2.77; 95% CI: 0.96, 4.99; p < 0.05) to be more knowledgeable about APR and have satisfactory perceptions of APU (OR: 1.57; 95% CI: 1.16, 2.99; p = 0.07) respectively. Finally, veterinarians were 3.76 times (95% CI:1.26, 9.25; p < 0.001) more likely to have good knowledge of APR and better perceptions of APU (OR: 3.28; 95% CI: 1.89, 5.68; p < 0.001) than other AHPs respectively.To control antimicrobial resistance, continuous training of AHPs especially para-veterinary officers is essential to update their knowledge on prudent antimicrobial usage and prevent the emergence of resistant protozoan parasites.
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Antibacterianos , Conhecimentos, Atitudes e Prática em Saúde , Animais , Antibacterianos/uso terapêutico , Estudos Transversais , Feminino , Masculino , Nigéria , Inquéritos e QuestionáriosRESUMO
INTRODUCTION: The COVID-19 vaccine is essential to reduce the global impact of the pandemic. Understanding its acceptance is key to Nigeria's national COVID-19 control strategies. METHODS: Between the 6th and 22nd of January 2021, we conducted a non-probability convenience sampling of 3076 respondents using online and in-person interviews to assess the prevalence and predictors of the COVID-19 vaccine acceptance in Nigeria. FINDINGS: Of the 3076 recruited participants, 74.7% (n = 2300/3076) had tertiary education. The median age group was 30-39 years (35.1%, n = 1097/3076) whereas 31% (n = 952/3076) of all respondents had a monthly income<30,000 Naira (65 USD). The survey results indicated that a wide range of the respondents were in government employment (34.1%, n = 1050/3076). The majority of our study participants (92.2%, n = 2835/3076) believe that COVID-19 is real and not a hoax. Only 27.9% (n = 858/3076) of the study participants have been tested for COVID-19 and 17.8 % (n = 152/858) of the tested respondents were COVID-19 positive by PCR. Half (50.7%; n = 1560/3076) of the study participants were willing to take the vaccine once available. The majority of the respondents (81.1%, n = 2496/3076) were not willing to pay for the vaccine. Only 15.9% (n = 483/3076) of the respondents rated the government's handling of the pandemic above average. The potential acceptance of the COVID-19 vaccine was significantly affected by the age and the monthly income of the respondents. Respondents older than 60 years old (OR: 3.02, 95% CI: 1.69,5.41; p < 0.001) and those that earn between 250,000-500,000 Naira monthly (OR: 1.38; 95% CI: 1.11,1.70; p < 0.001) were more likely to accept the COVID-19 vaccine respectively. In addition, the respondents' perception of the existence of the disease (OR: 1.45; 95% CI: 0.99,2.18; p > 0.05), the need for a COVID-19 vaccine (OR: 16; 95% CI: 11.63,22.10; p < 0.001), the willingness to pay (OR: 1.68; 95% CI: 1.39,2.01; p < 0.001) and the rating of the government handling of the pandemic (OR: 2.25; 95% CI: 1.57,3.23; p < 0.001) were critical to the acceptance of the COVID-19 vaccine. INTERPRETATION: With 50.7% vaccine acceptance, Nigeria's public health policymakers must prioritize and develop strategies that will effectively increase COVID-19 vaccine acceptance across the country with emphasis on trust, transparency and strong leadership.
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Vacinas contra COVID-19 , COVID-19 , Adulto , COVID-19/epidemiologia , COVID-19/prevenção & controle , Estudos Transversais , Humanos , Pessoa de Meia-Idade , Nigéria/epidemiologia , Aceitação pelo Paciente de Cuidados de Saúde , Inquéritos e QuestionáriosRESUMO
Local, national, and international health agencies have advocated multi-pronged public health strategies to limit infections and prevent deaths. The availability of safe and effective vaccines is critical in the control of a pandemic. Several adverse events have been reported globally following reception of different vaccines, with limited or no data from Africa. This cross-sectional epidemiological study investigated adverse events following COVID-19 vaccination in Africans from April-June, 2021 using a structured online questionnaire. Out of 1200 participants recruited, a total of 80.8% (n = 969) respondents from 35 countries, including 22 African countries and 13 countries where Africans live in the diaspora, reported adverse events. Over half of the vaccinees were male (53.0%) and frontline healthcare workers (55.7%), respectively. A total of 15.6% (n = 151) reported previous exposure to SARS-CoV-2, while about one-fourth, 24.8% (n = 240), reported different underlying health conditions prior to vaccination. Fatal cases were 5.1% (n = 49), while other significant heterogenous events were reported in three categories: very common, common, and uncommon, with the latter including enlarged lymph nodes 2.4% (n = 23), menstrual disorder 0.5% (n = 5), and increased libido 0.2% (n = 2). The study provided useful data for concerned authorities and institutions to prepare plans that will address issues related to COVID-19 vaccines.
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Introduction: the on-going COVID-19 pandemic caused by the SARS-CoV-2 virus has imposed serious public health and economic threats on the entire world population. The SARS-CoV-2 has been identified from both domestic and wild animals constituting a threat to humans since most apparently healthy animals may potentially infect and cause the disease in humans, especially Animal Health Professionals (AHPs) who come directly in contact with animals. These professionals such as veterinarians play important roles among the One Health team in controlling the pandemic. This survey was conducted to assess the knowledge, risk perception, and prevention behaviors of AHPs in Nigeria who are important personnel in the control of emerging and re-emerging zoonotic and infectious diseases. Methods: an online-based epidemiological cross-sectional pre-tested questionnaire survey was carried out from April to May 2020. A total of 427 AHPs joined this survey. Descriptive statistics, chi-square test, and binary logistic regression model were used to analyze the data collected. Results: the respondents have a mean knowledge score of 7.34 ± 2.05 (from a total possible score of 11) with the majority (66.7%, n = 285) having satisfactory knowledge scores on COVID-19. A high proportion (240/353) of respondents reported bats to be the major wildlife incriminated in the transmission of the COVID-19 virus though other animals reported were tiger, monkey, lion, and pangolin. At least, a quarter 131 (30.7%) of respondents perceived that visiting live animal markets is of high zoonotic risk to the spread of coronavirus. Most respondents reported hands washing and sanitizing after handling animals, and using personal protective equipment when handling suspected animals. At p<0.05; respondents' age, marital status, professional status, and geopolitical zone were significantly linked with satisfactory knowledge. Veterinarians (OR=0.40; 95%CI: 0.22-0.75) were thrice less likely to possess unsatisfactory knowledge of COVID-19 than laboratory technologists. Conclusion: participants in this survey have a satisfactory level of COVID-19 knowledge and good mitigation measures instituted while working at their stations. However, AHPs need more enlightenment about the various zoonotic risk pathway contributing to the transmission of COVID-19.
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COVID-19 , Zoonoses , Animais , COVID-19/epidemiologia , COVID-19/prevenção & controle , Estudos Transversais , Conhecimentos, Atitudes e Prática em Saúde , Humanos , Nigéria/epidemiologia , Pandemias/prevenção & controle , Percepção , SARS-CoV-2 , Zoonoses/epidemiologia , Zoonoses/prevenção & controleRESUMO
Ticks are of great menace to animal and human health. They serve as vectors to both animals and human pathogens including Rickettsia species. Tick-borne rickettsiosis in West Africa remains incompletely understood. We determined the prevalence of tick infestation among small ruminants and molecularly described a clinically significant spotted fever Rickettsia massiliae from Rhipicephalus ticks collected from North-Central, Nigeria. A total of 352 small ruminants comprising of 152 sheep and 200 goats that were brought for slaughter at the major small ruminant slaughterhouse in Ilorin were examined for the presence of ticks. The collected Rhipicephalus species were subjected to molecular studies to detect and characterize Rickettsia massiliae. Of the small ruminants examined, 21 sheep and 46 goats were infested with ticks representing 13.82% and 23.00% respectively. Eight and nine different species of ticks were detected in sheep and goats respectively, with Rhipicephalus (Boophilus) decoloratus being the most prevalent tick species in both sheep and goats. There was a significant difference (p <0.01) in the prevalence of the different tick species collected in sheep and in goats. Based on the PCR amplification of the 23S-5S intergenic spacer (IGS), only 2 of the 142 Rhipicephalus tick samples screened for R. massiliae were positive (1.41%; 95% CI = 0.39-4.99). Rickettsia massiliae was detected from Rhipicephalus turanicus collected from sheep. Sequences obtained from the PCR carried out by amplifying Rickettsia 23S-5S IGS showed 99-100% close identity with members of the R. massiliae group. This study has for the first time confirmed the presence of spotted fever group Rickettsia massiliae from feeding ticks in Nigerian small ruminants. Further investigations to determine the possible pathogenic role of human R. massiliae infection in Nigeria would be beneficial.
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DNA Intergênico/genética , Doenças das Cabras/epidemiologia , Rickettsia/classificação , Doenças dos Ovinos/epidemiologia , Rickettsiose do Grupo da Febre Maculosa/veterinária , Infestações por Carrapato/veterinária , Carrapatos/classificação , Matadouros , Animais , DNA Bacteriano/genética , Feminino , Doenças das Cabras/microbiologia , Cabras , Nigéria/epidemiologia , Filogenia , Prevalência , Rickettsia/genética , Rickettsia/isolamento & purificação , Ovinos , Doenças dos Ovinos/microbiologia , Rickettsiose do Grupo da Febre Maculosa/epidemiologia , Infestações por Carrapato/epidemiologia , Carrapatos/genética , Carrapatos/microbiologiaRESUMO
Background:The public knowledge and adherence to the established coronavirus disease 2019(COVID-19)pre-cautionary measures are crucial to Nigeria's war against the pandemic.Public health education on its preventive practices at the grassroots level was initially crucial to achieving a lower COVID-19 incidence in Kwara State,Nigeria.Methods:We assessed the knowledge of,and adherence to COVID-19 precautionary measures at the community level among 795 respondents from the three senatorial zones of Kwara State.Results:54.5%(433/795)of the respondents were aged between 21 and 40 years,and 45.9%(365/795)of the respondents had a bachelor's degree or higher.Study participants had a good knowledge of COVID-19,its symp-toms,and its mode of transmission.91.8%of the respondents(730/795)had a positive perception of the COVID-19 preventive measures while 96.1%(763/795)of the respondents agreed that maintaining social distance was important in curbing the COVID-19 pandemic.However,only 38%(302/795)of them used face masks and only 25.7%(204/795)of the respondents used hand sanitizers.In addition,only 31.9%(253/795)of the respondents isolated themselves when they were ill.Multi-variable logistic regression analysis revealed that education,occu-pation,gender,and ethnicity were significantly associated with positive COVID-19 preventive practices among residents of Kwara State.Civil servants were more likely(A OR:3.14;95%confidence interval[CI]:0.67 to 14.82;P=0.034)to have positive preventive attitudes than other respondents.Study participants with tertiary educa-tion and those that were Yoruba(ethnicity)were 14.81 times more likely(95%CI:4.29 to 51.05;P=0.001)and 5.19 times more likely(95%CI:1.82 to 14.84;P=0.007)to have positive attitudes towards the laid-down COVID-19 preventive measures respectively.Conclusion:The poor community adherence to the COVID-19 preventive practices could pre-dispose Kwara to more COVID-19 cases.More community engagement activities are needed to fully curb the spread of the CO VID-19.Public health education should focus on preventive measures,vaccine acceptance,and community monitoring of COVID-19.
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Understanding key socio-demographic variables of 2019 coronavirus disease (COVID-19) vaccine recipients is crucial to improving its acceptance and Nigeria's COVID-19 control strategy. The survey was conducted as a non-probability cross-sectional survey of 2,936 COVID-19 vaccine recipients in Kwara State. Our findings revealed that 74% (n = 2,161) of the vaccine recipients were older than 40 years. Forty percent (n = 1,180) of the vaccine recipients earned a monthly income >100,000 Naira (equivalent to US $200). Most of the vaccine recipients (64%, n = 1,880) had tertiary education, while 15% (n = 440) of them had no formal education. Almost half of the recipients (47%, n = 1,262) were government employees and 28.8% (n = 846) of them had health-related backgrounds. Only 17% (n = 499) of the vaccine recipients have been screened for the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), of which 21% (n = 105/499) of them were tested positive. Only 47% (n = 1,378) had been fully immunized. The prevalence of confirmed COVID-19 cases among COVID-19 vaccine recipients in Kwara State was 3.6% (n = 105/2,936). The most recurrent adverse events following immunization (AEFIs) among vaccine recipients were fever (14%, n = 411), pain at injection site (47%, n = 1,409), headache (19%, n = 558), and body weakness (9%, n = 264). The need to protect themselves from the deadly virus was the main reason that prompted people to voluntarily accept the COVID-19 vaccine. There is a high level of COVID-19 vaccine acceptance among respondents across all social classes including those with no formal education, those with very low monthly income (< US $2 per day), and in untested population. Hence, vaccine donors should prioritize equitable distribution to Low-and-Middle-income Countries (LMICs) such as Nigeria, and health authorities should improve vaccine advocacy to focus on vaccine safety and efficacy.
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Vacinas contra COVID-19 , COVID-19 , Estudos Transversais , Demografia , Humanos , Nigéria , SARS-CoV-2RESUMO
The persistent and highly transmissible Coxiella burnetii is a neglected infection that negatively affects reproductive parameters of livestock. It is also of zoonotic importance and has been reported to cause devastating human infections globally. Domestic ruminants represent the most frequent source of human infection. Data from Nigeria are very few and outdated. There is a significant gap in up-to-date information on the exposure, spatial distribution and risk factors of infection of this important disease. The exposure to C. burnetii was determined using sensitive serological assays in cattle and small ruminants. A total of 538 animals made up of 268 cattle and 270 small ruminants were sampled from three northern Nigerian states. The proportion of cattle sampled that were seropositive from the study locations were: Kwara 14/90 (15.6%; 95% CI: 8.8-24.7); Plateau 10/106 (9.43%; 95% CI: 4.6-16.7) and Borno 4/72 (5.56%; 95% CI: 1.5-13.6) states. Lower seroprevalence was recorded among the small ruminants sampled, with positives recorded from sheep and goat sampled from only Kwara state 6/184 (3.3%; 95% CI: 1.2-7.0); while none of the small ruminants sampled from Plateau were seropositive. The results of the bivariate analysis showed that none of the tested independent variables (village, age group, sex, breed of cattle, presence of ticks, reproductive status, and management system) were statistically significant factors associated with seropositivity of cattle for antibodies to C. burnetii. Stakeholders involved in animal husbandry should be duly educated on proper disposal of birth products as well as bodily fluids in order to reduce environmental contamination, persistence and human infection.
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Coxiella burnetii/patogenicidade , Febre Q/epidemiologia , Animais , Bovinos , Estudos Transversais , Ensaio de Imunoadsorção Enzimática , Feminino , Cabras , Masculino , Fatores de Risco , Estudos Soroepidemiológicos , Testes Sorológicos , OvinosRESUMO
Zoonotic diseases accounts for about 75% of emerging infectious disease and can be devastating to both human and animal health globally. A subset of zoonotic diseases is referred to as "neglected zoonotic diseases - NZDs" as they mainly affect poor populations who live in close proximity to domestic or wild animals often in areas where access to health and adequate sanitary facilities are not available. Furthermore, underestimation of the burden of NZD has continually led to its further neglect in least developed countries such as Nigeria. Controlling zoonotic infections including NZDs in animals is crucial in reducing human infections. Veterinarians provides an understanding of the epidemiology of infectious diseases in animal population and are therefore integral for the overall reduction in global burden of NZDs worldwide. Due to the current lack of and in some cases weak involvement of Veterinarians in policy issues related to zoonotic diseases, there is need to elucidate their importance in NZDs control in Nigeria. This review therefore summarises the neglected zoonotic diseases so far documented in Nigeria and also highlight the important role of the Veterinarian in their prevention and control within both human and animal population. Important recommendations to strengthen the role of the public health Veterinarian for sustainable control of NZDs were made.
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Doenças Negligenciadas/prevenção & controle , Médicos Veterinários/organização & administração , Zoonoses/prevenção & controle , Animais , Países em Desenvolvimento , Acessibilidade aos Serviços de Saúde , Humanos , Doenças Negligenciadas/epidemiologia , Doenças Negligenciadas/veterinária , Nigéria/epidemiologia , Papel Profissional , Saúde Pública , Zoonoses/epidemiologiaRESUMO
AIM: Helminth infections inflict negatively on the production and well-being of animals including poultry. This study was carried out to determine the prevalence, species diversity, intensity, and risk factors associated with the gastrointestinal helminths of intensively raised poultry in Kwara Central senatorial district of Kwara State. MATERIALS AND METHODS: Fecal samples were collected from 502 poultry species from 15 farms. The samples were subjected to floatation and the formalin-ethyl acetate concentration techniques of examination. The intensity of infections was determined using McMaster counting technique. RESULTS: Seven helminth species were detected with Heterakis gallinarum (10.2%) and Ascaridia galli (6.0%) been the most prevalent, while Capillaria species was the least prevalent (0.8%). Physiological status, bird type, production purpose, farm age (years), presence of other animals in the farm, flock size (birds), farm size (acres), housing type, farm type, frequency of anthelmintic use, distance to waste area (meters), level of biosecurity, and frequency of cleaning the pen were the risk factors significantly (p<0.05) associated with the presence of helminth infections. CONCLUSION: This study shows that helminth infections are endemic in the study area, as 66.7% of the sampled farms were infected with one or more helminth species. Findings from this study provide information that will assist in improving the poultry sector in Kwara State, Nigeria in general, for better production and profitability.
RESUMO
Ticks and tick-borne diseases (TBDs) continue to pose an insidious and ever-present threat to livestock and livelihoods across the globe. Two of the most significant TBDs of cattle in Africa are heartwater and babesioisis, caused by Ehrlichia ruminantium and Babesia bigemina respectively. Both pathogens are endemic in Nigeria. However, to date, little data has been published regarding the number of cattle infected. In this study, blood samples were collected from cattle of the Kwara State, north-central Nigeria. Probe-based quantitative PCR (qPCR) and semi-nested PCR were used to investigate the presence of both pathogens, respectively. Our study found all samples (n = 157) to be surprisingly negative for both B. bigemina and E. ruminantium. These results contribute new information on the current burden of these two pathogens in Kwara State and may be helpful in informing more effective targeting of control strategies in Nigeria.
Assuntos
Doenças dos Bovinos/parasitologia , Ehrlichia ruminantium/isolamento & purificação , Hidropericárdio/diagnóstico , Animais , Babesia/classificação , Babesiose/epidemiologia , Babesiose/parasitologia , Bovinos , Doenças dos Bovinos/epidemiologia , Hidropericárdio/epidemiologia , Nigéria/epidemiologia , Reação em Cadeia da PolimeraseRESUMO
Endemic tick-borne relapsing fever (TBRF) has not been documented in Nigeria, yet clinically compatible cases have been described, and soft tick species are endemic in surrounding countries. Consequently, our aim was to investigate if TBRF-associated Borrelia is present in Nigeria. To address this, we examined 49 soft tick pools to identify the tick species and to screen for Borrelia The tick species was revealed by 16S rRNA gene amplification and Sanger sequencing to be Ornithodoros savignyi, an aggressive, multihost, rapidly feeding species with significant veterinary impact. We detected a Borrelia organism in 3 of 49 pooled samples (6%). Molecular analysis of amplified 16S rRNA and flagellin genes and intragenic spacer fragments disclosed that this Borrelia organism was synonymous with the recently described organism "Candidatus Borrelia kalaharica," identified in a tourist returning to Germany from South Africa. Given the widespread endemic range of this tick vector, TBRF should be considered part of the differential diagnosis for patients with fever returning from arid areas of Africa and further afield.