Across
- 3. type of biological cell
- 4. lyssavirus disease
- 6. synonyms for flu
- 8. is caused by Human Immunodeficiency Virus
Down
- 1. an organism that lives in or on an organism of another species (its host) and benefits by deriving nutrients at the other's expense
- 2. food poisoning infection
- 5. causative agent of infectious diseases
- 7. is caused by SARS-CoV-2