Sharp encephalitis, almost always fatal the beginning is marked by a sensation of anguish, cephalgia, fever uneasiness and undefined sensorial alterations many times referred to the bite of the aminal the inter-human transmission is possible, caused by the spittle of an infected human being that can held the virus however wasn't informed, until now the disease evolves to palsy and paralysis the spasm of the muscle carries the pacient to death the next step are delights and convultions the common duration is from two to six days the death often is caused by respiratory paralysis