Rift Valley fever - endemic hepatitis

Rift Valley Fever (Hereditary Hepatitis) is a severe viral disease characterized by fever in animals and high mortality in lambs and calves newborn and miscarriage of the public at any fetal age and the incidence of death among them by 20% due to infection of uterine uterine inflammation and the disease to humans causing meningitis and pests in the eye lead To the loss of vision. The disease emerged in severe epidemiological form in 1931 in the valley of the rift in Kenya, where he spent 3,500 to carry 1,200 sheep and the disease appeared in the adamians of the shepherds and farm workers infected and owners. In October 1977, the onset of the disease in Egypt in the villages of Sharkia province, where nearly 200 thousand people were injured and led to the death of 600 people and finally emerged cases of disease in Saudi Arabia and Yemen in 2000.
Pathogen: Rift Valley fever virus, resistant to volatile spray, affected by heat, detergents and acids.
Sources of infection: mosquitoes carrying the disease virus, and blood-sucking insects.
Infection repositories: sheep, goats, cattle.