Nigeria Declares Lassa Fever Outbreak Over

The Federal Ministry of Health has declared the Lassa fever outbreak ravaging the country over. This is coming after four and half months of the country combating the disease in 22 states.

Lassa fever is an acute viral hemorrhagic illness of 2-21 days duration that occurs in West Africa.

The Lassa virus is transmitted to humans via contact with food or household items contaminated with rodent urine or faeces.

Person-to-person infections and laboratory transmission can also occur, particularly in hospitals lacking adequate infection prevention and control measures.

Lassa fever is known to be endemic in Benin, Ghana, Guinea, Liberia, Mali, Sierra Leone, and Nigeria, but probably exists in other West African countries as well.

The overall case-fatality rate is 1%. Observed case-fatality rate among patients hospitalized with severe cases of Lassa fever is 15%.

Early supportive care with rehydration and symptomatic treatment improves survival.

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