Photo/Illutration Tokyo Governor Yuriko Koike speaks at a meeting on the novel coronavirus pandemic on Jan. 7. (The Asahi Shimbun)

Tokyo confirmed a record 2,447 new COVID-19 cases on Jan. 7, the day when the government declared a state of emergency for the capital and surrounding prefectures.

The number of new infections easily broke the previous high of 1,591 cases reported the day earlier.

Tokyo has logged more than 1,000 new cases for three consecutive days, with 1,228 new infections confirmed on Jan. 5.

Nationwide, 7,084 new COVID-19 cases were confirmed as of 6 p.m. on Jan. 7, shattering the previous record of exactly 6,000 set the previous day.

A record 796 patients had serious symptoms across Japan, up 12 from Jan. 6, according to the health ministry.

In Tokyo, a record 121 patients were listed in serious condition on Jan. 7, up by eight from the previous day, metropolitan government officials said.

Tokyo defines serious cases as those requiring a ventilator or a machine called extracorporeal membrane oxygenation (ECMO), which circulates blood through an artificial lung.