Photo/Illutration Commuters at Tokyo's JR Shinjuku Station on April 20 (Yuta Ichijo)

Confirmed new cases of COVID-19 in Tokyo reached 843 on April 21, the first time for the daily count to top 800 since Jan. 29.

The figure was up 252 from the 591 cases reported a week ago, according to metropolitan government officials.

The latest tally brought the daily average for the week in the capital through April 21 to 665.3, or 133.8 percent of the figure for the preceding week.

Of the 843 cases, 221 patients were in their 20s, followed by 170 in their 30s and 157 in their 40s. There were 84 patients aged 65 or older.

Serious cases of COVID-19 patients requiring ventilators or extracorporeal membrane oxygenation, also known as an ECMO lung bypass machine, dropped by two from the previous day to 48 on April 21, officials said.