California researchers say the world may be just one genetic tweak away from human-to-human transmission of the H5N1 bird flu virus — a worrisome mutation that could open the door to widespread ...

We are not one mutation from a pandemic, but the H5N1 virus is certainly not getting any further away. This article is republished from The Conversation under a Creative Commons license.

New versions of the H5N1 virus are increasingly adept at spreading. Suggestions to either let it rip in poultry or vaccinate the birds could backfire.

Mutation in H5N1 Bird Flu Could Trigger Pandemic in Humans. Published Dec 05, 2024 at 2:24 PM EST Updated Dec 06, 2024 at 3:11 AM EST. By . Tom Howarth is a Newsweek reporter based in Bristol, U.K.

A virologist explains that why the bird-flu mutation in a patient in Louisiana probably isn’t the big one — but that it’s a sign of bad things happening with the H5N1 virus.

H5N1 bird flu virus in Canadian teenager displays mutations demonstrating virus’ risk. The mutation in the Canadian teenager was at a position known as 226 on the hemagglutinin’s receptor ...

While H5N1 does not have high mortality rates in dairy cows, the infection causes decreases milk production and milk quality, ...

A single mutation in the H5N1 strain of avian influenza that is infecting cattle in the US could make it more likely to infect humans, according to a new scientific paper.

An H5N1 bird flu mutation associated with increased infectiousness and disease severity has been found in two cats. Since the beginning of this year, more than 50 cats have been infected with H5N1 ...

Amidst an ongoing outbreak of a deadly bird flu virus in livestock, the US Department of Agriculture is doing more to prevent ...