Across
- 6. least effective in treating an illness caused by a virus
- 7. event in which a disease spreads to many regions of the word
- 8. treated with antibiotics
Down
- 1. causes athlete's foot
- 2. a disease that is spread in a city
- 3. a mosquito that transmits malaria from person to person
- 4. spread by contact with an infected person
- 5. needs a host cell to reproduce