H5N1 News and Research

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Influenza A (H5N1) virus – also called “H5N1 virus” – is an influenza A virus subtype that occurs mainly in birds, is highly contagious among birds, and can be deadly to them. H5N1 virus does not usually infect people, but infections with these viruses have occurred in humans. Most of these cases have resulted from people having direct or close contact with H5N1-infected poultry or H5N1-contaminated surfaces.

The Dangers of Zoonotic Diseases

According to a recent study published in Nature, mice and ferrets infected in a high-containment laboratory setting died from a highly pathogenic avian influenza (HPAI) H5N1 virus that was isolated from the eye of a farm worker who contracted the virus from contact with dairy cows.

29 Oct 2024

Understanding the Molecular Basis of Avian Influenza Host Shift

A recent study by the Cusack group clarifies how a crucial enzyme of the avian influenza virus can change, enabling the virus to spread to mammals.

20 Aug 2024

Multispecies Transmission of Avian Flu Virus Includes Dairy Cattle, Cats, and Raccoons

A viral spillover of the highly pathogenic avian influenza virus belonging to the hemagglutinin 5 neuraminidase 1 (H5N1) 2.3.4.4b clade among herds of dairy cattle.

5 Aug 2024

Dairy Cattle Become Hosts for Avian Flu Transmission

A new study reveals evidence that avian influenza has spilled over from birds to dairy cattle across several U.S. states, resulting in mammal-to-mammal transmission between cows and from cows to cats and a raccoon.

25 Jul 2024

Pasteurization Effectively Eliminates H5N1 Virus from Milk

In March 2024, dairy cows in Texas were found to be infected with highly pathogenic avian flu, or H5N1 bird flu, in the first known case of the virus spreading to cattle.

4 Jul 2024

H5N1 Strain Shows Limited Airborne Transmission in Ferrets

The highly virulent H5N1 avian influenza was initially found in dairy cattle in the United States in March, and by May, outbreaks had been reported from nine states. The research was published in the journal Nature Communications.

16 May 2024

Genomic Study Warns of H5N1 Adaptation to Marine Mammals

The highly pathogenic avian influenza virus H5N1 has adapted to spread between birds and marine mammals, posing an immediate threat to wildlife conservation, according to a study from the University of California, Davis, and the National Institute of Agricultural Technology (INTA) in Argentina.

29 Feb 2024

Gene-Edited Chickens in Fight Against Bird Flu

Scientists have used gene editing techniques to identify and change parts of chicken DNA that could limit the spread of the bird flu virus in the animals.

11 Oct 2023