Across
- 2. anything that causes the immune system to have an allergic reaction.
- 4. largest known pathogens.
- 6. nonliving pathogens.
- 7. a scientist who studies the causes and spread of diseases.
- 8. common pathogens that causes diseases such as strep throat.
- 12. a chemical that is made by microorganisms and is able to destroy other microorganisms.
Down
- 1. pathogens that cause diseases such as athlete’s foot.
- 3. occurs when a disease spreads to many people in a short period of time.
- 5. insects or other animals that carry pathogens.
- 9. a special protein produced by white blood cells that can destroy a specific pathogen.
- 10. anything that may cause a disease.
- 11. contains dead or weakened pathogens to provide immunity against disease.