Photo/Illutration People wearing face masks outside a train station in Tokyo on July 2 (AP Photo)

Tokyo on July 4 confirmed 518 fresh cases of novel coronavirus infection, 132 more than a week ago, and one death from COVID-19.

The latest daily count of new infections marked the 15th straight day of surpassing the previous week's figure for the same day, metropolitan health officials said.

The seven-day average of new cases over the week through July 4 was 582 cases, an increase of 21.9 percent over the figure for the preceding week.

The three-day average of tests conducted through July 3 stood at 7,174.

Of the latest cases, patients in their 20s formed the largest group at 168. They were followed by 118 patients in their 30s, 95 in their 40s and 44 in their 50s. Patients aged 65 or older came to 19.

The number of serious COVID-19 cases requiring special breathing equipment stood at 51, up one from the day before.