Epidemic encephalitis B infectious agent

Epidemic encephalitis B is an acute infectious disease of the central nervous system caused by Japanese encephalitis virus. It is characterized clinically by high fever, disturbance of consciousness, convulsions, respiratory failure and meningeal irritation, with a high mortality rate. Japanese encephalitis virus is an RNA virus transmitted by mosquitoes in wild birds and pigs. Humans and horses are occasional hosts. In humans, transmission is mainly Culex mosquitoes, Aedes mosquitoes and certain species of Anopheles mosquitoes, parasitic in mosquitoes in the body of the Japanese encephalitis virus by mosquito eggs, with the temperature rise breeding active, through mosquito bites transmitted to humans and animals.