The following is a chronology of major events related to the novel coronavirus and Japan.
Jan. 9, 2020 -- Chinese state-run media reports novel coronavirus detected in patient.
Jan. 15 -- Japan confirms 1st coronavirus infection.
Jan. 30 -- World Health Organization declares global emergency.
Feb. 3 -- Quarantine starts on cruise ship Diamond Princess, which arrived at Yokohama Port, group infection later confirmed among passengers, crew members.
Feb. 13 -- Japan confirms 1st death from coronavirus infection.
March 4 -- Domestic infections top 1,000, including those on cruise ship.
March 11 -- WHO declares novel coronavirus pandemic.
March 13 -- Japan's parliament enacts legislation that enables the government to declare a state of emergency over the coronavirus.
March 24 -- 2020 Tokyo Olympic and Paralympic Games postponed to 2021 due to pandemic.
April 5 -- Deaths from COVID-19 in Japan top 100.
April 7 -- Prime Minister Shinzo Abe declares state of emergency for Tokyo, six other prefectures.
April 16 -- State of emergency expanded to entire nation, infected people in Japan top 10,000.
May 2 -- Deaths in Japan top 500.
May 25 -- State of emergency fully lifted.
July 22 -- Japan's domestic travel subsidy campaign begins to help revive tourism industry battered by coronavirus, excluding Tokyo.
Sept. 19 -- Japan eases restrictions on size of crowds at professional sports matches, movie theaters and other events.
Oct. 1 -- Tokyo added to travel subsidy campaign.
Oct. 29 -- Domestic infection cases top 100,000.
Nov. 22 -- Coronavirus deaths in Japan top 2,000.
Dec. 14 -- Prime Minister Yoshihide Suga announces halt of travel subsidy program during the New Year holidays.
Dec. 21 -- Domestic infections top 200,000.
Dec. 22 -- Coronavirus deaths in Japan top 3,000.
Jan. 7, 2021 -- Suga declares second state of emergency for Tokyo and three neighboring prefectures effective the following day through Feb. 7.
Jan. 13 -- Suga declares state of emergency for seven more prefectures including Osaka, Kyoto, Fukuoka and Tochigi. Domestic infections top 300,000.
Feb. 2 -- State of emergency extended to March 7 in 10 prefectures.
Feb. 8 -- State of emergency lifted in Tochigi.
March 1 -- Emergency lifted in six prefectures including Osaka ahead of planned end on March 7.
March 22 -- Emergency lifted in Tokyo and three neighboring prefectures.
April 23 -- Suga declares third state of emergency in Tokyo and three western prefectures of Osaka, Kyoto, and Hyogo effective April 25 through May 11.