Across
- 1. human papilloma virus
- 5. caused by parasites
- 6. one of the oldest known STIs
- 7. acquired immunodeficiency syndrome
- 8. can be resistant to antibiotics
- 10. virus with several known strains
Down
- 2. a.k.a. "crabs"
- 3. common bacterial infection
- 4. human immunodeficiency virus
- 9. very common virus
