Rift Valley fever is a viral disease affecting domesticated animals and humans. Rift Valley fever transmission may happen by a mosquito and other biting insects. Infection may also occur through the handling of infected meat or contact with blood. The geographic distribution includes eastern and southern Africa, where cattle and sheep are raised. Rift Valley fever symptoms are generally mild with fever and some liver abnormalities, but the disease may progress to hemorrhagic fever, encephalitis, or ocular disease. Fatality rates are low at about 1% of cases. Other vectorborne diseases are Malaria, Dengue fever, Yellow fever, Japanese Encephalitis, African Trypanosomiasis, Cutaneous Leishmaniasis, Plague, Crimean-Congo hemorrhagic fever, Rift Valley fever, Chikungunya.