Photo/Illutration People wearing protective masks to help curb the spread of the coronavirus wait for a crosswalk at the beginning of Japan's "Golden Week" holidays Friday, April 30, 2021, at Ginza shopping district in Tokyo. (AP Photo)

Fresh cases of COVID-19 in Tokyo on May 3 reached 708, or 283 more than the previous Monday, metropolitan health officials said.

The seven-day average of confirmed daily cases over the week through May 3 stood at 873.6, 19.7 percent higher than the figure for the preceding week.

Of the latest cases, patients in their 20s accounted for 182, the highest number for all age groups. They were followed by 137 patients in their 40s and 131 in their 30s. Sixty-eight patients were aged 65 or older.

Serious cases, patients requiring ventilators or an extracorporeal membrane oxygenation (ECMO) device, which circulates blood through an artificial lung, stood at 65, two more than the day before.