Screenshot showing graph of transition of COVID-19 patient numbers per monitored medical facilities (nationwide for Japan, data current as of May 22, 2026) from Ministry of Health, Labor, and Welfare weekly report with vertical axis showing number of patients per medical facility for the week shown on the horizontal axis. May 11 to May 17, 2026, showed a slight increase to 0.37 cases per medical facility. (Total monitoring site cases rose from 1,266 to 1,395). From April 7, 2025, with the start of Acute Respiratory Illnesses (ARI) monitoring, the number of COVID-19 monitoring stations has changed and the Ministry urges care to be taken when interpreting the data.
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