One more confirmation connected to a recent outbreak. On the bright side . . . Authorities continue to keep the public ...

Seabirds engaging in kleptoparasitism face increased avian flu risk. This behavior accelerates virus spread, threatening bird ...

Why it matters: California now accounts for all but two of the nation’s recent H5N1 bird flu outbreaks in livestock over the ...

A second health worker in contact with the Missouri patient who tested positive for bird flu also developed symptoms but wasn ...

An extensive study on wastewater samples taken across the United States from May to July found traces of the H5N1 bird flu ...

A second health worker who cared for a person hospitalized in Missouri with H5N1 bird flu developed mild respiratory symptoms ...

A third close contact of a patient in Missouri who was hospitalized with H5N1 bird flu has reported that they also ...

The mandatory testing comes as the total number of infected herds in California has risen to 17. Nationally, officials have ...

Thus far, the outbreak is growing slowly, says Yale SOM’s Dr. Howard Forman. But a lack of coordination and testing continues ...

For the past several years, millions of birds around the world have been killed or culled because of a highly pathogenic form ...

It is not inevitable that H5N1 will develop into a pandemic -- if we act now. Unfortunately, instead of urgent action, we ...

The convergence of multiple flu strains in one animal can allow new virus strains to form—just as they did in past pandemics.