Fact 1: Some viruses live in a dormant state inside the body.

Fact 2: When ferns are dormant it is as if they are hibernating.

Given the two facts above, answer the question "What can stay hidden in a hibernating state inside the body?" with the following options: 
- infections
 - blood cells
 - fungi
 - insects
 - viruses
 - honeybees
 - plasma
 - barnacles


 

     viruses    