Problem:
Diseases can spread in various ways. For each of the modes of transmission below, discuss strategies for prevention. Most of these are strategies you can figure out on your own. Animal or insect vectors transmit vector-borne disease. For example, Lyme disease is spread by ticks, and mosquitoes spread malaria. Respiratory transmission is when diseases are spread by saliva or mucus droplets in the air. For example, the flu can be spread when someone sneezes. Sexually transmitted diseases are passed through sexual intercourse. Food or water transmission is when the disease is spread in contaminated food or water. For example, Giardia is found in creeks and streams, and Salmonella is found in food