Moderna's new flu vaccine, based on the same mRNA technology used in its COVID-19 shot, showed promising results in a major ...

When the seasonal flu strikes, most people expect the familiar lineup of fever, aches and congestion. But for many patients, dizziness emerges as an ...

Moderna's mRNA flu vaccine showed 26.6% better efficacy than a standard flu shot in adults 50 and older during a global Phase ...

And rates of heart attacks and strokes can rise in winter for a number of reasons. Factors such as low temperature, less physical activity, more time spent indoors—perhaps with indoor air pollutants ...

Catching the flu or COVID can trigger a heart attack or stroke in vulnerable people. Here’s what we can all do to lower our ...

A multi-state study reveals that many high-risk adults diagnosed with influenza (flu) in emergency departments and urgent care centers are not receiving timely antiviral treatment. Researchers ...

Although effective influenza vaccines are available, many adults remain unvaccinated, and breakthrough cases still occur. Fortunately, we have antivirals that can reduce complications.

Similarly, early 2024-25 data from the U.S. shows that the vaccine was 41% to 55% effective against flu hospitalizations in adults and 63% to 78% effective against flu hospitalizations in children.

In adults 65 years and older, the group with the greatest risk of hospitalization and death, flu vaccination rates dropped from 52% in 2019-20 to 43% in 2024-25.

For both COVID-19 and flu, the symptoms do not start until about 1 to 4 days after infection, and symptoms seem to last longer for COVID-19. The only way to know what virus is causing an infection ...

In adults 65 years and older, the group with the greatest risk of hospitalization and death, flu vaccination rates dropped from 52% in 2019-20 to 43% in 2024-25.

An estimated 44% of adults and children in the U.S. have gotten the flu shot this season, compared to over 50% during most previous seasons, per CDC data. Rates are even lower among school-aged ...