In recent years, highly pathogenic avian influenza A (H5N1) virus has been sporadically detected in various mammalian hosts and, most recently, in dairy cattle in the USA — from which over a ...

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 ...

That tally has not been updated since last Friday. H5N1 bird flu virus particles are seen under a microscope. There are nearly 50 confirmed human infections, and a recent study found that some ...

Canada has been testing milk and livestock, but unlike in the U.S. there has been no confirmed cases of the same strain of the H5N1 virus from the U.S. in either cattle or poultry farms in Canada.

Rising H5N1 bird flu cases in the U.S. prompted the CDC to study the virus in ferrets, revealing it may have the potential to spread and cause severe symptoms in other mammals. H5N1 bird flu is ...

Oregon state and federal officials are investigating positive H5N1 bird flu cases at a farm after the virus was detected in a ...

In 1997, 18 cases of avian influenza A H5N1 infection occurred in humans in Hong Kong. It soon became evident that the avian influenza virus H5N1 could cross the species barrier and infect humans.

If the sudden spurt in cases was already concerning, 14 cases were caused by a novel mixing or reassortment of A/H5N1 virus. The reassortment was due to mixing of the gene segments from clade 2. ...

The World Health Organization voiced alarm at the growing spread of H5N1 bird flu to new species, including humans, who face an ‘extraordinarily high’ mortality rate. Hong Kong should test for ...

What if this year’s flu combines with the dreaded H5N1 bird flu and emerges as a nightmare flu? What if a novel virus destined to be called SARS-CoV-3 emerges from a horseshoe bat in a rural ...

In 1997, avian influenza virus (H5N1) caused severe human disease in Hong Kong. One of 9 infected children and 5 of 9 infected adults died. Investigators hypothesized that this virus is lethal ...