Photo/Illutration People wearing face masks to help protect against the spread of the coronavirus walk along a street in Tokyo Monday, Aug. 23, 2021. (AP Photo)

Tokyo confirmed 2,447 new COVID-19 cases on Aug. 23 and five deaths from the novel coronavirus of patients in their 50s to 80s, according to the metropolitan government.

New cases in the capital fell 515 from a week ago and brought its daily average of new infections over the week through Aug. 23 to 4,659.3, up 9 percent from the preceding week.

The average number of diagnostic tests conducted in the capital over the three days through Aug. 22 stood at 9,370.3.

The number of serious cases in Tokyo requiring ventilators or extracorporeal membrane oxygenation, also known as an ECMO lung bypass machine, rose one from the previous day to 272 on Aug. 23.

Of the 2,447 new cases, 744 patients were in their 20s, followed by 508 in their 30s, 383 in their 40s and 244 in their 50s. Patients aged between 10 to 19 accounted for 277 cases, while 94 were 65 or older.