Japan's COVID-19 case numbers have plummeted to the lowest in nearly a year just as other parts of Asia are struggling with surging infections, leaving health experts perplexed and raising concerns of a winter rebound.
New daily cases in Tokyo dropped to 87 on Monday, the lowest tally since Nov. 2 last year, and a precipitous decline from more than 5,000 a day in an August wave that hammered the capital's medical infrastructure.
The pattern is the same across the country.