Colds and Flu

Flu and the common cold are both respiratory illnesses but they are caused by different viruses, In general, flu is worse than the common cold, and symptoms are more intense. 

Viral Tests

A viral test is done to find infection-causing viruses. Viruses grow only in living cells. Viruses cause disease by destroying or damaging the cells they infect, damaging the body’s immune system, changing the genetic material ( DNA ) of the cells they infect, or causing inflammation that can damage an organ. Viruses…