Rift Valley fever: what it is, how it spreads and how to stop it

… in the Rift Valley in Kenya in east Africa, during a … Egypt (1977), Madagascar (1990, 2021), Kenya (1997, 1998), in Somalia (1998 … (for example, in vehicles or cargo), and when environmental conditions are …
Rift Valley fever: what it is, how it spreads and how to stop it