Photo/Illutration As requested by the Tokyo metropolitan government, lights are turned off at some commercial facilities in the Ginza district after 8 p.m. on April 25. (Naoko Kawamura)

The number of new COVID-19 cases in Tokyo on May 4 reached 609, with younger people making up the bulk of the newly infected patients, metropolitan health officials said.

The tally brought the daily average of confirmed cases over the week through May 4 to 842.3, 112.8 percent of the figure for the preceding week.

Patients in their 20s accounted for 148 of the new cases, followed by 123 patients in their 30s, and 103 in their 40s.

More than 60 percent of the 609 new cases were people in their 20s to 40s. Seventy new patients were 65 or older.