Japan in particular had a record breaking flu season in 2019. Millions of flu cases. https://www3.nhk.or.jp/nhkworld/en/news/backstories/370/ https://www3.nhk

Japan in particular had a record breaking flu season in 2019. Millions of flu cases. https://www3.nhk.or.jp/nhkworld/en/news/backstories/370/ https://www3.nhk.or.jp/nhkworld/en/news/backstories/370/