Oriental equine encephalitis

Eastern equine encephalitis is a zoonotic viral disease caused by Eastern equine encephalitis virus. Mainly violates horses and people. Because the disease spread to horses in some farms in the eastern United States in 1933, the same year, the virus was isolated from the diseased horses by Ten Broeck and Merrill, so it was named Oriental equine encephalitis. Clinically, the main symptoms are fever and central nervous system symptoms. People are infected by accident, but the case fatality rate can be as high as 50%. Oriental equine encephalitis has an incubation period of 7 to 10 days. Some patients have prodromal symptoms such as burnout, lack of appetite, abdominal pain, sore throat, and headache.