Across
- 4. disease of cattle and sheep that can affect people
- 5. red painful swelling on the skin
- 6. serious and often fatal, affects digestive organs
- 8. temporary and rather poor quality, better than nothing
- 9. serious sexually transmitted infection
- 13. so small it can't be seen with your bare eyes
- 15. an old fashioned or American word for doctor
- 16. causes fever, breathing and swallowing difficulties
- 17. introduced vaccination for smallpox
- 18. "water-loving"
Down
- 1. single-celled organisms that can trigger diseases
- 2. invented the microscope
- 3. microscopic animals that can cause illnesses
- 7. French chemist and microbiologist
- 10. causes high fever, rash and scabs causing deep scars
- 11. causes painful throat, fever and red rash
- 12. "water-hating"
- 14. tiny protein particle which can act as disease-causing agent