1. By mosquito bites or blood-sucking insects carrying the virusand the disease. Where the mosquito absorbs blood of humans or animals infected in the process of Elviremia and becomeinfectious after a period of 20-29 days. The virus is transmitted tothe mosquito ovary to produce a generation of mosquito vector of the disease.
2. Infection may be passed through the milk.
3. Direct contact of the fetuses aborted because of illness, orexposure to blood and tissues, especially liver and fluids and secretions contaminated during care or slaughter of sick animals.
4. Inhalation of droplets of blood and fluid animal during slaughteror an autopsy or taking samples for laboratory examination. As well as when handling the meat of animals slaughtered because of disease, preparation and processing.
5. Were no cases of transfer of infection from one person toanother. May be by blood transfusion.
التسميات
Fever