Number of Lassa fever cases in Nigeria 2019-2022
From January to August 2022, there were nearly 900 confirmed cases of Lassa fever in Nigeria and 6.5 thousand suspected cases. The number of deaths reached 169.
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, 80 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).
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, 80 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).
