Photo/Illutration Pedestrians cross the street in front of JR Shinjuku Station on Feb. 3 when the state of emergency for the novel coronavirus pandemic covering Tokyo and nine other prefectures was extended for one month. (Yusuke Nagano)

For the fourth consecutive day, Tokyo reported fewer than 500 new COVID-19 cases in its daily count.

Metropolitan government officials said there were 491 confirmed cases on Feb. 10.

For the one-week period until Feb. 10, the daily average of new cases was 508.3. That amounts to 71.8 percent of the previous week’s daily average.

There were 103 patients with serious symptoms that require ventilators or an extracorporeal membrane oxygenation (ECMO) device, which circulates blood through an artificial lung. The figure is one lower than the previous day.