Across
- 2. microorganisms that cause disease
- 4. tiny single-celled organisms, some cause disease
- 6. Disease that Is Not Caused by Pathogens
- 7. thing used to cover mouth and nose to prevent germs
- 8. living thing that supports a parasite or virus
Down
- 1. insect that spreads malaria and dengue
- 3. the way a disease spreads
- 5. organism that carries disease from one host to another