The man visited the expo on June 21 and developed symptoms of measles on the same day. He took a shuttle bus from a parking area in Sakai City at 8 AM, toured several pavilions at the venue starting around 9 AM, and returned to the parking lot by 3 PM. On September 3, it was confirmed that he had contracted measles.
Osaka Prefecture is advising anyone who visited the expo on the same day and developed symptoms like fever to contact a medical facility.
by MagazineKey4532