日本，流感疫情大暴发

Core Viewpoint - The flu epidemic in Fukushima, Japan, has reached its highest level in nearly a decade, with a significant increase in infection cases reported [1] Summary by Categories Infection Statistics - As of November 26, the number of flu infection cases reported by 48 medical institutions in Fukushima from November 17 to 23 reached 4,162, an increase of over 1,300 cases compared to the previous week [1] - This marks the eighth consecutive week of rising infection numbers, exceeding the warning level and representing the highest value since 2015 [1] Contributing Factors - Experts attribute the early onset of the flu season in Japan to multiple factors, including a decline in public health measures such as mask-wearing and handwashing [1] - Increased international travel has also contributed to the spread of the virus [1] - Climate change may be impacting immune system strength, further exacerbating the situation [1]