Photo/Illutration Workers check body temperature local residents prior to receiving their first dose of Pfizer's COVID-19 vaccine at the Ryogoku Kokugikan sporting arena, which is mainly used for sumo wrestling tournaments, and also used as inoculation venue for local residents age over 65 years old in Tokyo Monday, May 24, 2021. (AP Photo)

Tokyo confirmed 542 new coronavirus cases on May 25, down 190 from the same day a week ago, according to metropolitan government officials.

The latest tally brought the daily average for the week in the capital through May 25 to 611, or 80.7 percent of the figure for the preceding week.

The average number of diagnostic tests conducted in Tokyo over the three days through May 24 stood at 5,782.3.

Nine new deaths from COVID-19 were reported in the capital on May 25.

Of the 542 cases, 144 patients were in their 20s, followed by 123 in their 30s, 90 in their 40s and 64 in their 50s. There were 62 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 three from the previous day to 71 on May 25, the officials said.