Outbreak of Highly Pathogenic Avian Influenza A

H5 bird flu is widespread in wild birds worldwide and is causing outbreaks in poultry and U.S. dairy cows with several recent human cases in U.S. dairy and ...

Confirmations of Highly Pathogenic Avian Influenza in Commercial ...

APHIS confirmed highly pathogenic avian influenza (HPAI) in a commercial flock in the United States on February 8, 2022.

Investigation of Avian Influenza A (H5N1) Virus in Dairy Cattle | FDA

Highly Pathogenic Avian Influenza (HPAI) is a disease that is highly contagious and often deadly in poultry, caused by highly pathogenic avian influenza A ...

Outbreak of Highly Pathogenic Avian Influenza A(H5N1) Viruses in ...

On April 1, 2024, the Texas Department of State Health Services reported that a dairy farm worker had tested positive for highly pathogenic ...

U.S. Highly Pathogenic Avian Influenza A(H5N1) Research Priorities

The outbreak of highly pathogenic avian influenza HPAI A(H5N1) has impacted more than 200 dairy cattle herds and led to sporadic human cases in the United ...

2022–2024 Detections of Highly Pathogenic Avian Influenza

With the recent detections of the Eurasian H5 strain of highly pathogenic avian influenza (HPAI) in wild birds and domestic poultry in the United States,

Avian Influenza | U.S. Fish & Wildlife Service

Highly pathogenic avian influenza (HPAI) viruses can severely affect domestic animal, wildlife, and sometimes human health. Outbreaks of Eurasian lineage highly ...

A comprehensive review of highly pathogenic avian influenza (HPAI ...

Among the various HPAIV strains, the H5N1 virus is regarded as the most pathogenic, with a high mortality rate in chickens and humans [1]. As the initial ...

Highly Pathogenic Avian Influenza A(H5N1) Virus Outbreak in New ...

We report the spillover of highly pathogenic avian influenza A(H5N1) into marine mammals in the northeastern United States, coincident with H5N1 in ...

Highly Pathogenic Avian Influenza (Bird Flu) Outbreak in Cattle

A national outbreak of highly pathogenic avian influenza, also called avian flu or bird flu, that has appeared in dairy cattle.

Avian Influenza - WOAH - World Organisation for Animal Health

high pathogenicity avian influenza (HPAI) that can cause severe clinical signs and possible high mortality rates. What is bird flu? In the video below, disease ...

Outbreak of Highly Pathogenic Avian Influenza A(H5N1) Virus in ...

We describe an unusual mortality event caused by a highly pathogenic avian influenza (HPAI) A(H5N1) virus clade 2.3.4.4b involving harbor (Phoca vitulina) ...

Highly Pathogenic Avian Influenza (HPAI) Outbreak

Wild Birds. Wild birds, especially water fowl, may be infected with highly pathogenic avian influenza without showing symptoms. Learn more about HPAI and wild ...

Avian Influenza A(H5N1) – United States of America

They were received and tested at the US CDC on 30 March and confirmed as high pathogenicity avian influenza (HPAI) A(H5N1) virus clade 2.3.4.4b ...

Avian Influenza - Mass.gov

Massachusetts has been dealing with an ongoing outbreak of Highly Pathogenic Avian Influenza A (HPAI) H5N1 virus since early 2022.

Highly Pathogenic Avian Influenza | Cornell Wildlife Health Lab

In New York, 2023 marked the second year of highly pathogenic avian influenza outbreaks. First introduced into North America via Canada in late 2021, the HPAI ...

Highly Pathogenic Avian Influenza (HPAI) Outbreaks and ...

In 2022 there have been thousands of cases of Highly Pathogenic Avian Influenza (HPAI) in the United States in both wild birds and domestic poultry.

Update on Highly Pathogenic Avian Influenza A(H5N1) Virus, Clade ...

During 2024, HPAI A(H5N1) virus, clade 2.3.4.4b, was detected in dairy cattle for the first time and caused an ongoing multistate outbreak.

Avian Influenza - Colorado Department of Agriculture

As of February 2022, Highly Pathogenic Avian Influenza (HPAI) has been detected in wild birds and poultry across many eastern states.

Highly Pathogenic Avian Influenza (H5N1) - training

This influenza A found in birds – commonly referred to as avian influenza – is a highly pathogenic strain in birds, which means it causes high rates of death ...