In a typical year, the process of bringing a new seasonal flu shot to market is one of the United States’ most predictable ...

Researchers accidentally find that H3N2 and H1N1 flu strains use different strategies to enter cells, revealing new paths to ...

Add Yahoo as a preferred source to see more of our stories on Google. Young female patient in the clinic suffering a coughing fit while the doctor listens to the her lungs with a stethoscope. Getty ...

Influenza, commonly known as the flu, is a contagious respiratory illness caused by the influenza virus. According to the Centers for Disease Control and Prevention (CDC), there are four types of flu ...

Scientists investigating how influenza viruses replicate within cells "accidentally" discovered that different flu viruses ...

Flu changes every year, so our vaccine has to change with it. Here’s the quick what-and-why behind the annual shot, how it’s picked, made, and when to get it. Here are a few questions about influenza ...

See more of our trusted coverage when you search. Prefer Newsweek on Google to see more of our trusted coverage when you search. We've all heard of "the flu" but when it comes to types, subtypes and ...

It's flu season right now, and the U.S. is in the midst of a wave that's straining hospitals. But not all influenza is the same. There are some notable differences between flu A and flu B strains. On ...

The stomach flu is an infection of the stomach or intestines, but influenza is an infection of the nose, throat, or lungs. Your symptoms can help you determine which one you have. The flu and stomach ...

Steady rise in cases, especially among children and elderly, prompts expert to urge vaccinations and better hygiene to curb ...

MANILA, Philippines — Vaccines are a must for babies and children. The same can be said for adults whose immune systems are ...