2023年9月1日 · Highly pathogenic avian influenza (HPAI) strains like H5N1 have caused significant outbreaks in birds. Since 2003 to 14 July 2023, the World Health Organization (WHO) has documented 878 cases of HPAI H5N1 infection in humans and …

2025年3月21日 · The materials on this page are specific to highly pathogenic avian influenza (HPAI). You can use these tools and resources to prepare for and respond to an outbreak of this disease. We also offer general materials that apply not only to HPAI, but other foreign animal pests and diseases as well.

2025年4月2日 · The U.S. Department of Agriculture (USDA) is leading our Nation’s efforts to address an ongoing outbreak of highly pathogenic avian influenza (HPAI) in commercial and backyard poultry flocks. Through joint Federal and State response and collaboration with industry organizations, we are taking action to support farmers and protect the U.S ...

2024年12月26日 · This guidance outlines CDC’s recommendations for preventing human exposures to highly pathogenic avian influenza (HPAI) A(H5N1) viruses and infection prevention and control measures, including the use of personal protective equipment, testing, antiviral treatment, patient investigations, monitoring of exposed persons, and antiviral ...

High-pathogenicity avian influenza (HPAI) is a contagious viral influenza infection in cattle, domestic poultry, wild birds, and other domestic and wild mammals. HPAI virus is also a zoonotic pathogen. As of October 2024, the identified strain in cattle is influenza A subtype H5N1.

Avian influenza (AI) viruses of the H7 subtype have the potential to evolve into highly pathogenic (HP) viruses that represent a major economic problem for the poultry industry and a threat to global health. However, the emergence of HPAI viruses from low-pathogenic (LPAI) progenitor viruses currently is poorly understood.

2025年3月3日 · HPAI is a serious and highly contagious viral disease primarily affecting domestic and wild birds, caused by influenza A viruses, particularly subtypes H5 and H7. The disease results in high mortality rates in poultry, leading to significant economic losses and threats to food security, livelihoods, and biodiversity.

2024年12月20日 · HPAI is a very contagious and often deadly respiratory disease of poultry, such as chickens, turkeys, and geese. It is often spread by wild birds and can make other animals sick, too. It's a major threat to the poultry industry, animal health, trade, and the economy worldwide.

Highly pathogenic avian influenza (HPAI) strains like H5N1 have caused significant outbreaks in birds. Since 2003 to 14 July 2023, the World Health Organization (WHO) has documented 878 cases of HPAI H5N1 infection in humans and 458 (52.16%) fatalities in 23 countries.

2024年11月22日 · •H5N1 HPAI infections in cats have been widely reported •Variable clinical manifestations, including respiratory and neurological signs, often fatal outcomes. •Infection via exposure to infected birds, other animals, contaminated feed or in the milking parlour! •Captivity die offs ie Large cats in zoos •Dogs susceptible