Overview
- The affected facility is in Abira, marking Hokkaido’s fourth case and Japan’s 21st outbreak of the season.
- Local authorities were alerted Wednesday, a same-day rapid test was positive, and genetic analysis confirmed H5 the next day.
- The agriculture ministry ordered culling, incineration, and burial of the entire flock to prevent further spread.
- Japan’s avian influenza season typically runs from autumn through spring, prompting heightened farm surveillance.
- The WHO notes the H5 clade 2.3.4.4b variant has expanded globally since 2020, with rare human infections that are often severe and no sustained person-to-person transmission reported.