Across
- 3. used to stop bacteria
- 4. can travel by mosquito
- 6. a fake which is believed to be real
- 8. a substance that stimulates an immune response in the body
Down
- 1. a bacteria that causes food poisoning
- 2. an infectious agent that replicates in living cells
- 5. inactive pathogens
- 7. cells which grow uncontrollably