Across
- 3. Strain of bacterium not affected by an antibiotic
- 5. Kills bacteria
- 7. Said to have discovered penicillin
- 9. Produced a vaccine for smallpox
- 10. treatement of killed or weakened pathogens
Down
- 1. Stops bacteria from multiplying
- 2. Part of a bacterium that contains the DNA
- 4. Immunity where the body produces its own antibodies
- 6. Disease that causes paralysis
- 8. Source of antibodies in babies