Lessons learnt from the management of a case of Lassa fever and follow-up of nosocomial primary contacts in Nigeria during Ebola virus disease outbreak in West Africa.

OBJECTIVE: To describe our experiences in the management of a case of Lassa fever (LF) and follow-up of nosocomial primary contacts during the 2014 Ebola outbreak in West Africa. METHODS: Clinical management of the index case and infection control/surveillance activities for primary contacts are described. Laboratory confirmation was by Lassa virus-specific reverse-transcriptase PCR. RESULTS: A 28-year-old man with a 10-day history of febrile illness was referred to a major tertiary hospital in south-east Nigeria from a city that previously experienced a LF outbreak and was recently affected by Ebola. On observation of haemorrhagic features, clinicians were at a crossroads. Diagnosis of LF was confirmed at a National Reference Centre. The patient died despite initiation of ribavirin therapy. Response activities identified 121 primary contacts comprising 78 (64.5%) hospital staff/interns, 19 (15.7%) medical students, 18 (14.9%) inpatients and 6 (5.0%) relatives. Their mean age was 32.8 ± 6.6 years, and 65.3% were women. Twenty (16.5%) had high-risk exposure and were offered ribavirin as post-exposure prophylaxis. No secondary case of LF occurred. Fatigue (43.8%) and dizziness (31.3%) were the commonest side effects of ribavirin. CONCLUSIONS: Response activities contained nosocomial spread of LF, but challenges were experienced including lack of a purpose-built isolation facility, absence of local Lassa virus laboratory capacity, failure to use appropriate protective equipment and stigmatisation of contacts. A key lesson is that the weak health systems of Africa should be comprehensively strengthened; otherwise, we might win the Ebola battle but lose the one against less virulent infections for which effective treatment exists.

Food Security Status and Factors Affecting Household Food Security in Enugu State, Nigeria.

INTRODUCTION: In Nigeria, high inflation rates, increasing consumer price index, insurgency, and displacement of households have negatively affected household income expenditures on food resulting in food insecurity. This study aimed at determining the food security status and factors affecting this among households in Enugu state, Nigeria. METHODS: A descriptive cross-sectional study of 800 households in Enugu state, Nigeria. RESULTS: As many as 61.1% of households in Enugu State were found to be food-insecure. The factors influencing food security status were wealth index, belonging to a cooperative society, lack of money to buy food items, and the number of accessible marketplaces. Various coping strategies included skipping meals (77%), reducing quantity of meals (92.6%), purchasing less preferred meals (72.3%) and borrowing food and money (31.3%). CONCLUSION: The prevalence of food-insecure households was high, mostly due to poverty, not belonging to a cooperative society, and few accessible marketplaces. There is a need for economic and political stability that is supportive of households.

Knowledge, Misperceptions, Preparedness, and Barriers towards Lassa Fever Control among Health Care Workers in a Tertiary Institution in Enugu, Nigeria.

BACKGROUND: Lassa fever outbreaks are common in Nigeria. The study aimed to assess knowledge, misperception, preparedness and barriers towards Lassa fever among health care workers (HCWs) in a tertiary hospital in Enugu. METHODS: A descriptive cross-sectional study among 400 HCWs of a Teaching Hospital in Nigeria. RESULTS: The study showed that 56.5% had fair knowledge while 42.0% and 1.5% had poor and good knowledge, respectively. Over 84% had good risk perception of acquiring Lassa fever while 15.8% had poor risk perception. Only 13% received training on emergency preparedness while 90.3% desired this training. Associations between occupation and knowledge were significant. Barriers to Lassa fever control were non-availability of infection control tools, lack of training on preparedness, absence of local laboratory, and non-availability of ribavirin. CONCLUSION: The study showed poor level of preparedness for Lassa fever and recommended routine training of HCWs on emergency preparedness.

Development of an RT-LAMP assay for the detection of Lassa viruses in southeast and south-central Nigeria.

Lassa virus (LASV) causes Lassa fever (LF), a viral hemorrhagic fever endemic in West Africa. LASV strains are clustered into six lineages according to their geographic location. To confirm a diagnosis of LF, a laboratory test is required. Here, a reverse transcription loop-mediated isothermal amplification (RT-LAMP) assay using a portable device for the detection of LASV in southeast and south-central Nigeria using three primer sets specific for strains clustered in lineage II was developed. The assay detected in vitro transcribed LASV RNAs within 23 min and was further evaluated for detection in 73 plasma collected from suspected LF patients admitted into two health settings in southern Nigeria. The clinical evaluation using the conventional RT-PCR as the reference test revealed a sensitivity of 50% in general with 100% for samples with a viral titer of 9500 genome equivalent copies (geq)/mL and higher. The detection limit was estimated to be 4214 geq/mL. The assay showed 98% specificity with no cross-reactivity to other viruses which cause similar symptoms. These results suggest that this RT-LAMP assay is a useful molecular diagnostic test for LF during the acute phase, contributing to early patient management, while using a convenient device for field deployment and in resource-poor settings.

Patient satisfaction with services at a tertiary hospital in south-east Nigeria.

BACKGROUND: Patients' views of the services they receive in a healthcare service help identify critical areas that may need improvement. This survey set out to determine patients' satisfaction with quality of general services and specifically with staff attitude and the hospital environment, while on admission at a teaching hospital in Enugu, south-east Nigeria. METHODS: This was a descriptive cross-sectional study using a structured self-administered questionnaire on 170 patients (54% females and 46% males, aged between 20 and 65 years), post admission, selected by multistage sampling. RESULTS: Less than half (47.3%) of the patients were satisfied with care received on admission. More than half of them (51.8%) were satisfied with the cleanliness of the hospital environment and how power supply was maintained in the hospital (62.4%). Doctors (90%), nurses (64.1%) and records staff (60.6%) were considered courteous and professional. Most patients were satisfied with the level of privacy given to them in their course of hospital stay (67.6%) and with the cost of laboratory investigations (51.8%). CONCLUSION: Despite more than half of the surveyed patients being satisfied with some specific aspects of services given while on admission, those satisfied with the overall experience were less than half. Therefore, periodic patient satisfaction surveys should be institutionalized in this facility to provide feedback for continuous quality improvement.

Genetic characterization of Lassa virus strains isolated from 2012 to 2016 in southeastern Nigeria.

Lassa virus (LASV) is endemic in parts of West Africa where it causes Lassa fever (LF), a viral hemorrhagic fever with frequent fatal outcomes. The diverse LASV strains are grouped into six major lineages based on the geographical location of the isolated strains. In this study, we have focused on the lineage II strains from southern Nigeria. We determined the viral sequences from positive cases of LF reported at tertiary hospitals in Ebonyi and Enugu between 2012 and 2016. Reverse transcription-polymerase chain reaction (RT-PCR) showed that 29 out of 123 suspected cases were positive for the virus among which 11 viral gene sequences were determined. Phylogenetic analysis of the complete coding sequences of the four viral proteins revealed that lineage II strains are broadly divided into two genetic clades that diverged from a common ancestor 195 years ago. One clade, consisting of strains from Ebonyi and Enugu, was more conserved than the other from Irrua, although the four viral proteins were evolving at similar rates in both clades. These results suggested that the viruses of these clades have been distinctively evolving in geographically separate parts of southern Nigeria. Furthermore, the epidemiological data of the 2014 outbreak highlighted the role of human-to-human transmission in this outbreak, which was supported by phylogenetic analysis showing that 13 of the 16 sequences clustered together. These results provide new insights into the evolution of LASV in southern Nigeria and have important implications for vaccine development, diagnostic assay design, and LF outbreak management.

Standard precaution knowledge and adherence: Do Doctors differ from Medical Laboratory Scientists?

Background: Doctors and laboratory scientists are at risk of infection from blood borne pathogens during routine clinical duties. After over 20 years of standard precautions, health care workers knowledge and compliance is not adequate. Aim: This study is aimed at comparing adherence and knowledge of standard precautions (SP) among Medical Laboratory Scientists (MLSs) and doctors. Methods: It was a cross sectional study done at University of Nigeria Teaching Hospital, ItukuOzalla. A semi structured pre-tested questionnaire was the study instrument. Results: General knowledge of SP was high,76.2% in doctors and 67.6% in MLSs although there were differences between the two groups on the knowledge of components of SP. Safe injection practices, use of personal protective equipment as well as safe handling of contaminated equipment or surfaces was higher amongst doctors. Even though more than half of respondents in both groups, 53.1 % among doctors and 58.1% among MLSs had received training on standard precautions, this did not reflect in the practice. MLS reported more use of personal protective equipment such as gloves and coveralls (100% in MLS and 35% of doctors), P<0.001. Recapping of syringes was higher amongst doctors (63.6%) than MLS (55.1%).The doctors practiced better hand hygiene than MLS (P<0.001). Constraints that affected SP included non-availability of PPEs and emergency situations for both groups. Conclusion: SP knowledge and practice are still low, and as such, there is a need to train doctors and MLS on the components of SP. Policies on SP need to be enforced and facilities for practice regularly supplied.

Households' perceptions and prioritization of tropical endemic diseases in Nigeria: implications for priority setting for resource allocation.

This study was undertaken to explore how rural households perceive and prioritize tropical endemic diseases in different Local Government Areas (LGAs) of Southeast Nigeria. Marked differences in perception and prioritization of endemic diseases exist across the LGAs. Malaria is ranked highest as the most serious disease, followed by typhoid fever and HIV/AIDS. In addition, malaria and other endemic diseases are wrongly perceived as not being serious in some population groups.