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Lassa Fever in Nigeria (Update)

28 February 2012

The outbreak of Lassa fever in Nigeria is ongoing; in the previous six weeks, 40 individuals countrywide are reported to have died as a result of the infection. To date, 397 cases have been reported and the Minister of Health reports that treatment will be provided free. Of the 397 suspected cases, 87 have been laboratory confirmed.

Cases are being reported from 12 states across the country: Edo, Nasarawa, Plateau, Ebonyi, Taraba, Yobe, Ondo, Rivers, Gombe, Anambra, Delta and Lagos.

Advice for Travellers

Lassa fever is a low risk for most travellers unless living in poor sanitary conditions with overcrowding in rural areas where the host is usually found. Lassa fever is a zoonotic viral disease transmitted via the excreta of an infected Mastomys rat. Healthcare workers are at risk if good infection control and barrier nursing methods are not maintained.