Flu A is more common and can infect humans and animals, allowing it to cause widespread outbreaks. Flu B only affects humans, ...

What’s the difference between influenza A and influenza B, and does it matter which you catch? By Knvul Sheikh Each fall, the flu emerges as a formidable force, spreading through the droplets ...

But what kind of sickness do your symptoms point to? Here's a breakdown for COVID-19, flu and more — and why testing is so ...

The cold and flu are respiratory illnesses caused by different viruses. Some cold and flu symptoms may overlap, but there are ...

Learn about the differences and testing for flu A and B and COVID-19 and how to make holiday travels and gatherings safer." ...

Respiratory syncytial virus (RSV) is caused by a virus that spreads through contact with an infected person's respiratory ...