Photo/Illutration Pedestrians wearing face masks to guard against novel coronavirus infection stroll through Tokyo's famed Harajuku shopping area on May 28. (AP Photo)

Tokyo confirmed 448 fresh novel coronavirus infections on May 30, compared with 535 a week earlier.

Metropolitan health officials said the seven-day case average per day over the week through May 30 came to 558.6, or 86 percent of the figure for the preceding week.

Of the newly confirmed cases, 135 patients were in their 20s, followed by 73 each in their 30s and 40s, 64 in their 50s and 37 teenagers. Thirty-six patients were aged 65 or older.

The number of serious COVID-19 cases requiring ventilators or an extracorporeal membrane oxygenation (ECMO) device, which circulates blood through an artificial lung, stood at 77, one less than the day before.