Photo/Illutration Prime Minister Yoshihide Suga, right, watches as a woman receives a COVID-19 vaccine shot at All Nippon Airways Co.’s inoculation site in Haneda Airport on June 28. (Pool)

Tokyo confirmed 317 new COVID-19 cases on June 28, up 81 from a week ago. It marks the ninth consecutive day the daily count exceeded the previous week's figure.

Metropolitan government officials also reported four new deaths from the novel coronavirus in the capital the same day.

The latest tally brought Tokyo's daily average of new infections over the week through June 28 to 489 cases, or 124.8 percent of the figure for the preceding week.

The average number of diagnostic tests conducted in the capital over the three days through June 27 stood at 4,417.7.

Of the 317 new cases, 95 patients are in their 20s, followed by 61 in their 30s, 49 in their 50s and 47 in their 40s. There are 20 patients aged 65 or older.

The number of serious cases in Tokyo requiring ventilators or extracorporeal membrane oxygenation, also known as an ECMO lung bypass machine, rose by four from the previous day to 41 on June 28, officials said.