Here, basic questions about polio are answered in brief responses. Learn how polio is spread, what its symptoms are, and how it is treated and prevented.

Kids learn about infectious diseases including pathogens such as viruses, bacteria, parasites, and fungi as well as transmission and other types of diseases.

Play this educational interactive online game to learn how sneezing infects other humans with a virus. Children and the elderly are the easiest to infect because of their immune systems. Includes facts about the common cold.