From January to October 2023, there were nearly confirmed cases of Lassa fever in Nigeria and suspected cases. The number of deaths reached ***.
Lassa fever is a hemorrhagic illness whose presence is known in several West African countries. The virus is particularly present in Guinea, Sierra Leone, Liberia, and Nigeria. According to the World Health Organization, ** percent of the people affected by the Lassa virus have no symptoms. The transmission to humans occurs by exposure to food or items contaminated with urine or feces of infected rats (Mastomys).
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Nigeria Centre for Disease Control. (September 28, 2023). Cumulative number of Lassa fever cases in Nigeria from 2019 to 2023, by status [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 31, 2026, from /statistics/1126777/number-of-lassa-fever-cases-in-nigeria/
Nigeria Centre for Disease Control. "Cumulative number of Lassa fever cases in Nigeria from 2019 to 2023, by status." Chart. September 28, 2023. ÌÇÐÄÆƽâ°æ. Accessed July 31, 2026. /statistics/1126777/number-of-lassa-fever-cases-in-nigeria/
Nigeria Centre for Disease Control. (2023). Cumulative number of Lassa fever cases in Nigeria from 2019 to 2023, by status. ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 31, 2026. /statistics/1126777/number-of-lassa-fever-cases-in-nigeria/
Nigeria Centre for Disease Control. "Cumulative Number of Lassa Fever Cases in Nigeria from 2019 to 2023, by Status." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 28 Sep 2023, /statistics/1126777/number-of-lassa-fever-cases-in-nigeria/
Nigeria Centre for Disease Control, Cumulative number of Lassa fever cases in Nigeria from 2019 to 2023, by status ÌÇÐÄÆƽâ°æ, /statistics/1126777/number-of-lassa-fever-cases-in-nigeria/ (last visited July 31, 2026)
Cumulative number of Lassa fever cases in Nigeria from 2019 to 2023, by status [Graph], Nigeria Centre for Disease Control, September 28, 2023. [Online]. Available: /statistics/1126777/number-of-lassa-fever-cases-in-nigeria/
