infection

Introduces children to their bodies' natural defense mechanisms, including skin, mucus, earwax, stomach acid, the immune system, and the brain.

Describes the dangers of Staphylococcus aureus infection, its causes, and the various treatments and antibiotics available to prevent its spread.

Ralphie is crushed when a fever keeps him home from school on the day he is scheduled to host the Frizzle News Network television broadcast on health, but he ends up hosting anyway--as the specimen under study.