Travel health alerts
Disease outbreak alerts for Japan
1 outbreak reported for Japan
Last checked against TravelHealthPro on 2026-08-23.
Measles
Reported 27 May 2026Spread person-to-person through the air
As of 20 May 2026, a total of 498 measles cases have been reported in Japan for 2026.
There's a vaccine for this
Highly contagious — make sure you've had two doses of MMR before you travel.
Travelling to Japan?
Our travel health team will confirm exactly which vaccines and precautions are right for your trip in one short consultation.
Contains public sector information from TravelHealthPro (NaTHNaC), licensed under the Open Government Licence v3.0. © UK Health Security Agency. Open Government Licence v3.0. This page is general guidance, not medical advice — confirm what you need for your trip with our travel health team.