12 May 2012 ... How Do Viruses Infect the Body? Viruses can enter the human body through any of its openings, but most often they use the nose and mouth. www.humanillnesses.com |
Viruses can infect every living thing -- from plants and animals down to the smallest ... The human body does have some natural defenses against a virus. A cell ... science.howstuffworks.com |
Find out what a virus does to your body and how to decrease your chance of exposure. ... Once inside, they find a host cell to infect. ... The human immunodeficiency virus (HIV), which causes AIDS, attacks the T-cells of the immune system. science.howstuffworks.com |