Across
- 4. a person who has some pathogen to which he is immune but can pass it on to others
- 8. Plantlike protists
- 9. A widespread outbreak of an infectious disease
- 10. genetically identical copy of DNA
Down
- 1. Measures contributing to cleanliness and good health
- 2. An organism that lives on or in a host and causes harm to the host
- 3. Worldwide epidemic
- 5. dead or alive virus put in the body the to simulate a immune response
- 6. segment of DNA on a chromosome that codes for a specific trait to give to a offspring
- 7. Animal that transports a pathogen to a human