JE NEWS
E-mail to me                                              Req. of WHO


Japanese encephalitis (JE) viruses were first isolated from the brain of patients in 1924. Afterthat, Japanese scientist discovered the Nakayama stain, prototype for vaccine production, in 1935. Understanding in virology, Beijing  and P3 stain were isolated by Chinese scientist in 1949. Since 1924, JE vaccines have been developed and prove to be effective to control JE viruses in many countries.

Japanese encephalitis vaccine

    Vaccine description                    Substrate                                          Viral strains

    Inactivated                                  Mouse brain                                     Nakayama
                                                                                                                   Beijing-1 (P1)

    Inactivated                                  Primary hamster kidney cells          P3

    Live attenuated                          Primary hamster kidney cells          SA14-14-2


Japanese encephalitis is still the public health problems in asia. The 20-30% of patients were death and the 50-70% of survival remained neurological sequelae.

This web-page contains the important of reference data of JE vaccine. I hoped that these reviews will provide an overview for generalist and discussions for the specialist in this field.

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