On January 13, MAFF （Ministry of Agriculture, Forestry and Fisheries）announced the occurrence status of high and low pathogenic avian bird flu infections across the country in 2022, reporting that about 10.75 million birds of poultry were infected in 59 cases over 23 prefectures.

Judging from the infection status in the previous year which showed about 1.89 million birds were infected in 25 cases over 12 prefectures, it means five times more birds were drastically infected this year.

In regional terms the most cases of 2.08 million birds occurred of Ibaraki Prefecture, followed by 1.559 million of Hiroshima Prefecture, 1.555 of Niigata Prefecture, 1.492 of Aomori Prefecture and 1.321 of Kagoshima Prefecture.