Abstract
Emerging and re-emerging infectious diseases have been of immense threat to public health in this 21st century. Among these diseases are COVID-19, Lassa fever, monkeypox, yellow fever, ebola, chicken pox disease and many others. Out of all the above mentioned diseases, Lassa fever is the most recurrent and trending infectious disease in Nigeria which affects many states. It is of great concern that Ondo State is one of the major epicentres of the virus. The objective was to examine the incidence of Lassa fever in Ondo State, Nigeria. A descriptive research design using a purposive sampling technique was used to collect data. Findings revealed that in 2018, Ondo State accounted for 25% of total Lassa fever incidence cases in Nigeria, which suggests that Ondo State was one of the major epicentres of the virus in 2018. As of March 19, 2022, the figure rose to 28% of total Lassa fever incidence. This implies that Ondo State was also the major epicentre of the virus as of March 19, 2022. Furthermore, in the 42nd week of 2022, the predominant age group of the patients affected by Lassa fever in Ondo State was 21–30 years. There has been a significant increase in the number of suspected and confirmed cases as compared with 2021. The factors contributing to the reemergence of LF epidemics in Nigeria are nosocomial transmission, travel and migration, the public health system, socio-cultural factors, conflicts and the COVID-19 pandemic. In conclusion, health education of indigenous people at the community levels (especially residents of Owo and Ose Local Government Areas) about LF causes, preventive measures and avoidance of cultural practices that could predispose them to Lassa fever infection should be given priority. Also, case management capacity and contact tracing must also be strengthened through the establishment of well-equipped and dedicated treatment/referral centers in the epicentre. Training and re-training of clinical care teams should also be given priority.
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