Q: What is avian influenza? Avian influenza, also known as bird flu, is a viral infection that primarily affects birds but ...

As the H5N1 avian influenza outbreak continues, scientists are working to better understand the virus's threat to human ...

Influenza virus is an infectious agent belonging to the virus family Orthomyxoviridae that causes a respiratory tract infection (influenza or 'flu') in vertebrates. There are three main species ...

This season's influenza vaccine may have been a poor match to a strain of the flu virus that caused many infections this winter, early data released by the Centers for Disease Control and ...

The number of influenza cases is surging across the United States, putting significant strain on many hospitals. We asked the experts to explain what makes this year's flu season so unusual.

(NEXSTAR) – The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. Of all the flu tests reported to the Centers for Disease Control and Prevention since the ...

Simultaneous outbreaks of norovirus, birdflu, influenza, COVID-19 and respiratory syncytial virus are occurring across the ...

Influenza vaccination significantly reduces flu-related morbidity and mortality across all age groups, according to a large-scale Spanish study analyzing data from more than 38 countries and 6.5 ...