A recent study has revealed that a single genetic change in a strain of the highly pathogenic H5 influenza virus could potentially unlock its ability to infect and spread between humans. Scientists ...

Each year, seasonal flu sickens about 1 billion people worldwide and causes approximately 290,000 to 650,000 respiratory ...

Both swine and avian influenza are strains of influenza A. Just as swine flu strains tend to infect pigs, avian flu strains tend to infect birds. But the potential for influenza A viruses that ...

At the viral chatter stage of an outbreak, pathogens are just starting to infect people in sporadic bursts. It’s a sign that ...

Flu Virus Remains Infectious in Refrigerated Raw ... when outbreaks of bird flu -- a different subtype of the ... Single Mutation in H5N1 Influenza Surface Protein Could Enable Easier Human ...

A mutation in the H5N1 bird flu virus, linked to increased infectiousness and disease severity, was identified in two cats. This mutation, PB2 E627K, is associated with enhanced mammal-to-mammal ...

A dangerous bird flu, in other words, was suddenly circulating in mammals—mammals with which people have ongoing, extensive ...

The 114 commercial outbreaks in South Dakota have led to the death or intentional killing of more than 6 million turkeys, chickens and other birds.