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
African swine fever virus African swine fever virus African swine fever virus (ASFV) is the causative agent of African swine fever (ASF). The virus causes a haemorrhagic fever with high mortality rates in pigs, but persistently infects its natural hosts, warthogs, bushpigs, and soft ticks of the genus "Ornithodoros", with no disease signs. ASFV is a large, double-stranded DNA virus which replicates in the cytoplasm of infected cells. ASFV infects domestic pigs, warthogs, and bushpigs, as well as soft ticks ("Ornithodoros"), which likely act as a vector. ASFV is the only known virus with a double-stranded DNA genome transmitted by arthropods. The virus causes