But that tone has changed. On Thursday, Japan’s health minister, Katsunobu Kato, warned of evidence that Japan was now at a high risk of rampant infection.

Cases have spiked in Tokyo, setting records for four days running, and more localities have told residents that they should avoid nonessential outings. On Tuesday, the Tokyo Olympics were delayed for a year.

But the public is still not taking officials’ warnings seriously. While schools have been closed for a month and large events canceled, life has otherwise returned to normal. People gather in parks, ride the subway and go out to eat. And testing is still limited, raising fears about the full scope of the virus’s progression through the country.

“The risk is that things may be brewing underneath the surface that you don’t recognize until it’s also a little bit too late,” one epidemiologist said.

Here are the latest updates and maps of the pandemic.

We also have a daily tracker that shows the virus’s trajectory by country.