“This H7N9 virus is a fully North American (AM) virus of wild bird-origin and is unrelated to the Eurasian H5N1 clade 2.3.4.4b virus currently circulating in the United States,” the MBAH said ...

“This H7N9 virus is a fully North American (AM) virus of wild bird-origin and is unrelated to the Eurasian H5N1 clade 2.3.4.4b virus currently circulating in the United States,” the MBAH said ...

Even though the official tally of human cases in the U.S. is most certainly an undercount, there's still no evidence this strain of H5N1 has spread widely among us. But if the virus gains certain ...

The bird flu (avian H5N1 influenza) has been circulating widely in cattle and other mammals. Many researchers note that there is a risk of a human pandemic. Some studies suggest that older humans ...

Type A H5N1 influenza has been spreading through animals and some people in the United States. Bird flu has been detected in a variety of bird populations since January 2022, and in March of last ...

Share on Bluesky. Opens in a new tab or window Share on X. Opens in a new tab or window Share on LinkedIn. Opens in a new tab or window Chief among those concerns is that Kennedy said the genotype ...

A United Nations food agency warned that the continued spread of the H5N1 bird flu virus is an unprecedented food security risk that requires a coordinated global response. In a briefing held on ...

USDA’s Food Safety and Inspection Service (FSIS) announced Friday that the H5N1 virus was discovered in meat from a single cull dairy cow as part of testing of 96 dairy cows. APHIS said the meat ...

The H5N1 bird flu has spilled over to a sheep for the first time, infecting a domesticated ruminant in the United Kingdom much like it did US dairy cows, according to UK officials. The single ...

MEXICO CITY, April 4 (Reuters) - Mexico has detected its first human case of H5N1 avian influenza, also known as bird flu, the health ministry said on Friday. The infection was confirmed on ...

Intranasal influenza virus-vectored vaccine offers protection against clade 2.3.4.4b H5N1 infection in small animal models. Nature Communications , 2025; 16 (1) DOI: 10.1038/s41467-025-58504-z ...

Get Instant Summarized Text (Gist) H5N1 influenza is evolving to evade human immune defenses, reducing the efficacy of existing vaccines. Computational modeling shows a decline in antibody binding ...