Feeling under the weather? You could have Influenza Type A. Here's the difference between Influenza Type A and Type B.

While some health experts suggest that the next pandemic could be between five and 10 years away, what that pandemic could be caused by and if the U.S. will be ready for it are separate questions.

Researchers are not just worried about the virus popping up on American farms. Other types are causing trouble around the ...

One type mutates often and causes seasonal pandemics. The other one doesn't. Here's what else is different.

Feb 1 (Reuters) - The H5N1 avian influenza virus has flared up again in recent months, spreading through poultry flocks in Japan, Vietnam and Thailand, killing people in Indonesia and claiming its ...

Influenza A, B, C Or D? Flu spreads easily in winter due to crowded indoor spaces, low humidity, and reduced immunity.

Viruses are entities that have to infect other cells in order to replicate. They may have genomes that are made of DNA or RNA. We are still discovering new types of RNA viruses, as shown in two new ...

In the last few months, schools all over the country have closed because of outbreaks of norovirus. Also known as stomach flu ...