Viruses / McCally, John

Explains what viruses are, how they latch onto host cells, why viral infections can be prevented with vaccines, and how the viruses known as bacteriophages could play a large role in the battle against bacteria; and includes a hands-on demonstration of how viruses are spread through casual contact.

Presents an examination of the characteristics of simple organisms called viruses, explaining how they lay dormant until they latch on to a host cell and how they spread.