Inflammation of the brain, caused by infection or an allergic reaction
A category of viral diseases that affects horses and, in some cases, humans
clinical term for chronic fatigue syndrome.
A form of encephalitis caused by a virus and characterized by headache and drowsiness leading to coma
A form of viral encephalitis that can be fatal and is transmitted by mosquitoes
A rare viral disease that affects horses and humans and is spread by mosquitoes, occurring mainly in eastern US states