La Crosse Encephalitis is caused due to the transmission of La Crosse encephalitis virus through mosquito vector. The symptoms include fever, headache, nausea, vomiting, fatigue, lethargy and seizures. In later stages the symptoms may be as severe as neuroinvasive diseases, seizures, coma and paralysis. It may also lead to disability or death.
The extrapolated prevalence in Japan, is found to be 32 for two times of 127,333,002 population estimation used. There is no vaccination for this disease. Only supportive therapy can be suggested. It includes alleviating the symptoms and balancing fluids and electrolyte levels and also control of seizures.