What Do You Know About the Common Cold?

1. More than 200 viruses cause colds.

What Is the Common Cold? 

The common cold leads to more doctor visits and absences from school and work than any other illness annually.

A Simple Way to Keep the Flu Away 

Unfortunately, some people think that getting a flu vaccine is too much trouble or costs too much. Or they are sure that a flu shot will make them sick or make them more likely to catch the flu.