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Exploring new tools against Rift Valley Fever (RVF) in the Horn of Africa and Middle East

click to enlargeApril 2015 - RVF affects both ruminants and humans. It can be transmitted through several mosquito species and by contact with infectious animal material, e.g. body fluids and organs. The epidemiology of RVF is complex given its vector-borne nature. Infected mosquito eggs can survive for several years in dry conditions, until heavy rainfall and prolonged flooding cause them to hatch. This explains how the virus can remain present, but silent, in areas that thus should still be considered endemic. When infected animals introduce the virus into areas with vector presence, epizootics and associated human epidemics can occur in previously unaffected areas. The impact of RVF on local livelihoods (socio-economic) and trade (restrictions) can be high...[Read more]


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