What Japanese Encephalitis
Japanese encephalitis je is an infection of the brain caused by the japanese encephalitis virus jev.
What japanese encephalitis. While most infections result in little or no symptoms occasional inflammation of the brain occurs. The virus is found in pigs and birds and is passed to mosquitoes when they bite infected animals. In these cases symptoms may include headache vomiting fever confusion and seizures. In persons who develop symptoms the incubation period time from infection until illness is typically 5 15 days.
Humans get infected when bitten by an infected mosquito. Japanese encephalitis is a viral brain infection that s spread through mosquito bites. It can be fatal for children and for people. The virus exists in a transmission cycle between mosquitoes pigs and or water birds.
Je virus is one of a group of mosquito transmitted viruses that can cause inflammation of the brain encephalitis. Encephalitis often causes only mild flu like signs and symptoms such as a fever or headache or no symptoms at all. For most travelers to asia the risk for je is very low but varies based on destination length of travel season and activities. Inactivated vero cell culture derived japanese encephalitis je vaccine manufactured as ixiaro is the only je vaccine licensed and available in the united states.
It cannot be spread from person to person. Less than 1 of people infected with japanese encephalitis je virus develop clinical illness. This occurs about 5 to 15 days after infection. Je is caused by a virus spread by infected mosquitoes in asia and the western pacific.
It s most common in rural areas in southeast asia the pacific islands and the far east but is very rare in travellers. The je virus is a flavivirus related to dengue yellow fever and west nile viruses. This vaccine was approved in march 2009 for use in people aged 17 years and older and in may 2013 for use in children 2 months through. There are several causes but the most common is a viral infection.
It is a mosquito borne virus and cannot be transferred from one person to another. Japanese encephalitis je is a potentially severe disease. Japanese encephalitis je is the most important cause of viral encephalitis in asia. Japanese encephalitis je is the main cause of viral encephalitis in many countries of asia.
Sometimes the flu like symptoms are more severe. Japanese encephalitis je virus is the leading cause of vaccine preventable encephalitis in asia and the western pacific. Encephalitis en sef uh lie tis is inflammation of the brain.