The winter flu season features two types of influenza. Here's what you need to know about them and how they differ.

The most common complication of severe influenza is pneumonia, a lung infection that can result from the flu virus or from a secondary bacterial infection, Dr. Liu said. The flu can also trigger ...

The main symptoms of norovirus include signs of gastroenteritis, Martinello says. A mild norovirus infection might just cause ...

Flu hospitalizations and doctor visits are at a 15-year high. Why is this flu season so bad? Doctors discuss influenza trends ...

The flu virus is changing in ways never seen before, increasing infections and raising concerns about vaccine effectiveness and public health risks.

What is a fever and what should I do if I get one? Get answers to common questions on the condition that impacts everyone ...

Experts say this is the worst flu season in the U.S. in more than a decade and cases are still trending up. Flu infections have reached the highest level since the winter of 2010 and 2011 when the ...

Sep. 30, 2024 — Researchers found that natural immunity from previous flu infections has a significant impact on how well future influenza vaccinations ... 'Food Theft' Among Seabirds Could Be ...

Influenza A virus particles strategically adapt their shape -- to become either spheres or larger filaments -- to favor their ability to infect cells depending on environmental conditions, according ...

Cold and flu may seem alike, but knowing their key differences can prevent serious health risks. Learn how to recognize and ...

Influenza A virus particles strategically adapt their shape—to become either spheres or larger filaments—to favor their ...