On December 25, local time, Japan's Ibaraki prefectural government announced the test results for highly pathogenic avian influenza at a chicken farm in the prefecture, which were confirmed positive, and about 970,000 poultry raised will be culled. Every year from fall and winter to the spring of the following year is the bird flu epidemic season in Japan. On October 22 this year, Japan confirmed the first bird flu outbreak of the current epidemic season.

On December 25, local time, Japan's Ibaraki prefectural government announced the test results for highly pathogenic avian influenza at a chicken farm in the prefecture, which were confirmed positive, and about 970,000 poultry raised will be culled. Every year from fall and winter to the spring of the following year is the bird flu epidemic season in Japan. On October 22 this year, Japan confirmed the first bird flu outbreak of the current epidemic season.