About Japanese encephalitis vaccination

The system was amended on May 20, 2011, and the legal age for vaccination was expanded for those who missed the opportunity to get vaccinated due to the withholding of recommendations.
Click here for more information, including who is eligible and the number of vaccinations.

On May 30, 2005, the Ministry of Health, Labor and Welfare recognized a case in which a causal relationship between Japanese encephalitis vaccine made using mouse brains and acute disseminated encephalomyelitis (ADEM) could not be ruled out. A recommendation has been made to refrain from actively recommending encephalitis vaccination.

According to the "Cabinet Order to Partially Amend the Enforcement Order of the Immunization Law" dated July 29, 2005, the third stage of Japanese encephalitis vaccination for those aged 14 to under 16 has been abolished.

The Immunization Implementation Regulations were revised on June 2, 2009, and "Dry Cell Cultured Japanese Encephalitis Vaccine" (hereinafter referred to as "New Vaccine") was added as a vaccine to be used in the first period of routine immunization. .

On April 1, 2010, the Ministry of Health, Labor and Welfare notified that they would resume active promotion of vaccination for children aged 3 years, which is the standard age for Japanese encephalitis vaccination in the first stage. In response to this, the city resumed sending recommendation notices to children aged 3 from 2010.

As of May 20, 2011, the Vaccination Enforcement Order and Vaccination Implementation Regulations were amended, and the legal vaccination age was expanded as shown below for those who missed the opportunity to receive vaccination due to the withholding of recommendations.
Note: (2) has ended.

(1) Those born between June 1, 1995 and April 1, 2007, and who are under the age of 20.
Note: As of April 1, 2013, people born between April 1, 1995 and May 31, 1995 are now eligible to receive the vaccine.
(2) Those born between April 2, 2007 and October 1, 2009, who have not completed the first round of Japanese encephalitis vaccination by March 31, 2010, and who are 9 years of age or older but under 13 years of age.

　
For information on Japanese encephalitis Q&A, etc., please see Q&A on Japanese encephalitis vaccination (Ministry of Health, Labor and Welfare) and the National Institute of Infectious Diseases Infectious Disease Information Center website.

If you are over 13 years old but under 16 years old as of the vaccination date and cannot be accompanied by a guardian at the time of vaccination, please fill out the following documents and bring them to a medical institution.