欧洲多国暴发高致病性禽流感疫情

Group 1 - The recent outbreak of highly pathogenic avian influenza (HPAI) has raised concerns across multiple European countries, with France, Germany, and the Netherlands increasing their risk levels and implementing control measures [1][2] - In Germany, the Friedrich-Loeffler-Institut reported significant spread of HPAI, with approximately 2,000 migrating cranes dying due to the virus H5N1, marking a rare scale of outbreak in recent years [1] - The Netherlands has reported multiple outbreaks, with a recent case leading to the culling of about 161,000 poultry at an infected farm, and nationwide measures for poultry confinement and isolation have been enacted [1][2] Group 2 - Belgium has reported an outbreak with 319 poultry deaths and over 60,000 culled, prompting a mandate for all poultry to remain indoors [2] - France has raised its avian influenza risk level from "medium" to "high" and has strengthened safety measures in poultry farms, reporting four outbreaks since October 10 [2] - In Spain, the Castilla y León region has experienced severe outbreaks, affecting over 2 million birds since September 19, according to the Central Veterinary Laboratory [2]