Influenza, commonly called "the flu," is caused by viruses that infect the respiratory tract. Compared with most other respiratory infections, such as the common cold, the flu often causes a more ...

The avian influenza virus causes bird flu. Birds can be infected by influenza A viruses and their subtypes but can’t carry type B or C influenza viruses. There are three main avian flu subtypes ...

The flu is spreading far and wide across the U.S. – and influenza A is largely to blame. ... “Influenza A typically causes worse symptoms compared to influenza B, ...

For this reason, influenza A is the only type that causes pandemics. Influenza A is believed to be the most severe type of flu virus for humans, although this is the subject of debate, as there is ...

Read current news and medical research on influenza A, influenza B, including symptoms, ... Nov. 13, 2024 — An FDA-approved vaccine for smallpox and mpox is effective but causes side effects.

The flu causes many uncomfortable symptoms, but a rash is typically not one of them. There is some evidence, however, that the flu may sometimes cause a rash.

In this article, we’ll explore how flu (influenza) and stomach flu (viral gastroenteritis) differ. You’ll learn about their symptoms, causes, and treatment options and how to prevent them.

How Does Bird Flu Spread to Humans? H5N1 is one of the more common bird flu strains to make the jump from birds to humans. The infected birds spread the virus through their saliva, mucus and feces.