The HPAI H5N1 virus has spread globally, infecting birds, mammals, and some humans. Most human cases are mild.

Humans infected with bird flu display a wide range of symptoms, from pneumonia requiring hospitalization to no symptoms at ...

As more cases of bird flu are reported across species and locations, states across the country are taking precautionary ...

Doctors say the case of a teen left in critical condition shows H5N1 "can cause severe human illness." Mutations in the virus are deepening concerns about the spread of H5N1.

In light of the ongoing global spread of the H5N1 avian influenza, U.S. public health experts are reassured that current ...

Highly pathogenic avian influenza A(H5N1) viruses have caused widespread infections in dairy cows and poultry in the United ...

So far, the H5N1 virus isn't transmitted between people - but the CDC has found a mutation in a human case "concerning" ...

Apart from H5N1 influenza virus or bird flu, which has set the alarm bell ringing in the US, malaria tuberculosis, HIV are ...

Experts and some public officials are warning against raw pet foods after a cat in Oregon was found to have died from a product contaminated by bird flu.

Cases of norovirus and bird flu are on the rise compared to last year, according to data from the CDC. Several states have experienced over 10 confirmed outbreaks of norovirus, a contagious virus that ...

A genetic analysis suggests the bird flu virus mutated inside a Louisiana patient who contracted the nation’s first severe ...

Avian influenza has spread far beyond the nation's birds, infecting all manner of creatures from zoo animals, wild mammals, ...