Influenza, which is more commonly known as the flu, is a highly contagious respiratory illness caused by viruses. There are three types of influenza viruses that make people sick: A, B and C.
When you start to feel sick, it can be hard to tell which respiratory virus you’ve been hit with. The flu and COVID share a ...
The telltale symptom of the flu versus the common cold is a sudden high fever. IF YOU THINK you're hearing more sniffles and ...