Figure 1From: Towards a better understanding of Rift Valley fever epidemiology in the south-west of the Indian OceanGeographical distribution of Rift Valley fever. Rift valley fever is historically endemic to many countries of sub-Saharan Africa. It spread from continental Africa to Madagascar in 1991 and in the Arabian Peninsula in 2000. In Mayotte in the Indian Ocean, RVF cases have been reported since 2004.Back to article page