Across
- 2. An organism that lives on or in a host and causes harm
- 5. A widespread outbreak of an infectious disease.
- 7. any condition that interferes with the body
- 8. a microorganism invisble to the naked eye
- 9. A worldwide epidemic.
Down
- 1. An organism that causes disease
- 3. Measures contributing to cleanliness and good health
- 4. microbiology single-celled or noncellular
- 6. Living cell in which a virus replicates
- 9. A eukaryotic organism that cannot be a animal, or plant