Question

How do virous cause disease?

Answer 1

Viruses cause familiar infectious diseases such as the common cold, flu and warts. They also cause severe illnesses such as HIV/AIDS, smallpox, and Ebola. Viruses are like hijackers. They invade living, normal cells and use those cells to multiply and produce other viruses like themselves.

Answer 2

Answer:

Virulence, the capacity to cause disease, varies markedly among viruses. Some viruses cause lethal disease while others do not.