According to the latest data released by Japan's National Institute for Health Crisis Management on December 2, from November 17 to 23, more than 3,800 designated medical institutions across Japan reported a total of 196,895 cases of influenza, with an average of 51.12 cases per hospital. According to the data, in the 47th week of 2025, each designated medical institution in Japan reported an average of 51.12 cases of influenza, about 1.35 times that of the previous week. The average number of weekly cases in each institution in Japan broke through 50 cases last year in the 52nd week, more than a month earlier this year.

According to the latest data released by Japan's National Institute for Health Crisis Management on December 2, from November 17 to 23, more than 3,800 designated medical institutions across Japan reported a total of 196,895 cases of influenza, with an average of 51.12 cases per hospital. According to the data, in the 47th week of 2025, each designated medical institution in Japan reported an average of 51.12 cases of influenza, about 1.35 times that of the previous week. The average number of weekly cases in each institution in Japan broke through 50 cases last year in the 52nd week, more than a month earlier this year.