with multiple waves of flu infections and both H1N1 and H3N2 strains circulating at the same time. The virus normally only sees one peak per season and has a strong predominance of one strain over ...

This strain causes severe bronchitis with excessive coughing, requiring nebulizers, inhalers, or oral steroids for relief, ...

The World Health Organization (WHO) today announced its advisory committee’s recommendations on strains to include for the ...

It’s not totally clear why flu is hitting so hard this year. One possibility is that it got off to a late start, so the ...

Not long after the first flu shot was introduced in 1945 by University of Michigan virologist Thomas Francis and his ...

PHILADELPHIA— Prior exposures to specific types of seasonal influenza viruses promote cross-reactive immunity against the H5N1 avian influenza virus ...

Influenza infections are outpacing COVID-19 cases for the first time since the pandemic. Here are the best ways to stay ...

Influenza A is divided into subtypes based on two proteins on the virus's surface: hemagglutinin and neuraminidase. These lead to different combinations—with H1N1 and H3N2 presently the most ...

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 ...

As STAT’s Helen Branswell writes, mRNA vaccines are the fastest to make and the easiest to mass produce.

A flu season that packed emergency rooms across Ventura County has brought 30 deaths so far, making it the county's second ...

After speculation as to whether this year’s flu vaccine could be poorly matched to the current strain of flu, new Centers for ...