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dc.contributor.authorChika-Igwenyi, N
dc.contributor.authorHarrison, RE
dc.contributor.authorUnigwe, U
dc.contributor.authorPsarra, C
dc.contributor.authorOnwe Ogah, E
dc.contributor.authorAjayi, N
dc.contributor.authorOnoh, R
dc.contributor.authorUgwu, C
dc.contributor.authorReid, A
dc.date.accessioned2021-02-23T22:27:01Z
dc.date.available2021-02-23T22:27:01Z
dc.date.issued2020-12-01
dc.date.submitted2021-02-01
dc.identifier.urihttp://hdl.handle.net/10144/619874
dc.description.abstractBackground: Lassa fever (LF) is an acute viral haemorrhagic illness with various clinical manifestations. Neurological symptoms are not commonly present at the early stage of the disease; however, early manifestation of central nervous system features depicts poor prognostication. In Ebonyi state, an unusual pattern was observed between two outbreaks with patients presenting early neurological symptoms and a high mortality rate in the second outbreak. The study described the epidemiological evolution, socio-demographic profiles, clinical characteristics and patients’ outcomes. Methods and materials: A retrospective analytic analysis of routinely collected clinical data was conducted of all confirmed and probable LF patients admitted to the Virology Centre of the AEFUTHA in Ebonyi State, December 2017 to January 2019. Results: In a total of 83 cases, 70 were RT-PCR confirmed and 13 probable cases. In outbreak 1, 69 were seen with 53.6% being urban residents, 19% farmers, 15% students, and 10% health workers. Fourteen cases were seen in outbreak 2 with 92.9% rural residents, 58.3% being farmers and 49.9% students. There were differences in clinical and laboratory signs and symptoms between the two outbreaks with neurological symptoms present 43% of the time in outbreak 1 and 93% in outbreak 2 (p = 0.001), with a shorter time of onset for these symptoms in outbreak 2. The mortality rate was 85.7% in outbreak 2 versus 29.9% in outbreak 1 (p < 0.001). Patients with neurological symptoms, who were more common in outbreak 2 had a RR of dying of 8.5 compared to those without. Conclusion: This study revealed a different form of LF that is of great concern due to its high mortality rate. Further studies are needed to better define its characteristics.en_US
dc.language.isoenen_US
dc.publisherInternational Society for Infectious Diseasesen_US
dc.rightsWith thanks to the International Journal of Infectious Diseases.en_US
dc.titleAnother form of Lassa fever? Early neurological symptoms and high mortality reveal differences in two outbreaks in Ebonyi State, Nigeria 2017–2019en_US
dc.identifier.journalInternational Journal of Infectious Diseasesen_US
refterms.dateFOA2021-02-23T22:27:02Z


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