What Japanese Encephalitis
Humans get infected when bitten by an infected mosquito.
What japanese encephalitis. Japanese encephalitis je is a potentially severe disease. The je virus is a flavivirus related to dengue yellow fever and west nile viruses. Sometimes the flu like symptoms are more severe. Japanese encephalitis je is an infection of the brain caused by the japanese encephalitis virus jev.
It cannot be spread from person to person. In these cases symptoms may include headache vomiting fever confusion and seizures. There are several causes but the most common is a viral infection. Less than 1 of people infected with japanese encephalitis je virus develop clinical illness.
For most travelers to asia the risk for je is very low but varies based on destination length of travel season and activities. It is a mosquito borne flavivirus meaning it is related to dengue yellow fever and west nile viruses. The virus is found in pigs and birds and is passed to mosquitoes when they bite infected animals. Japanese encephalitis is a viral brain infection that s spread through mosquito bites.
Japanese encephalitis je is the main cause of viral encephalitis in many countries of asia. Who recommends having strong prevention and control activities including je immunization in all regions where the disease is a recognized public health problem. This occurs about 5 to 15 days after infection. 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.
Je is caused by a virus spread by infected mosquitoes in asia and the western pacific. Japanese encephalitis is a viral infection found mainly in asia. In persons who develop symptoms the incubation period time from infection until illness is typically 5 15 days. Inactivated vero cell culture derived japanese encephalitis je vaccine manufactured as ixiaro is the only je vaccine licensed and available in the united states.
Japanese encephalitis je is the most important cause of viral encephalitis in asia. Je virus is one of a group of mosquito transmitted viruses that can cause inflammation of the brain encephalitis. It can be fatal for children and for people. It is a mosquito borne virus and cannot be transferred from one person to another.
The virus exists in a transmission cycle between mosquitoes pigs and or water birds. Japanese encephalitis je virus is the leading cause of vaccine preventable encephalitis 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.
