Yellow fever other feverish illnesses such as malaria. Other viral hemorrhagic fevers, such as Ebola virus, Lassa virus, Marburg virus, and Junin virus, must be excluded as the cause. Personal prevention of yellow fever includes vaccination and avoidance of mosquito bites in areas where yellow fever is endemic. Institutional measures for prevention of yellow fever include vaccination programmes and measures of controlling mosquitoes. Programmes for distribution of mosquito nets for use in homes are providing reductions in cases of both malaria and yellow fever. Use of EPA-registered insect repellent is recommended when outdoors. Exposure for even a short time is enough for
Morogoro virus Morogoro virus Morogoro virus is an East African arenavirus of which the multimammate mouse ("Mastomys natalensis") is the reservoir host is. The virus is genetically closely related to Lassa virus, known to cause Lassa fever in humans. Morogoro virus, however, does not seem to infect humans. Transmission of Morogoro virus between mice is assumed to occur via direct and indirect contact. Infected animals pass a latent period of 7 days and subsequently shed the virus for about 30 days, after which they recover and develop lifelong antibodies. Transmission may also be possible from infected mothers to offspring and through sexual