https://www.alojapan.com/1417843/japans-flu-cases-hit-warning-level-at-fastest-pace-in-10-years/ Japan’s flu cases hit warning level at fastest pace in 10 years #Flu #influenza #Japan #JapanNews #Japanese #JapaneseNews #news #patients #Saitama #warning Pedestrians walk at the Ginza shopping district in Tokyo on Nov 18, 2025. (PHOTO / AFP) TOKYO – The average number of influenza patients reported at designated medical institutions across Japan has hit warning levels at the fastest pace in 10 years, according to the Ministry of Healt