Across
- 3. A virus that can cause cancer
- 5. A viral disease that can be spread by kissing or sharing utensils
- 6. A bacterial disease that infects the throat
- 7. One of the most easily-spread viruses
- 9. One method of preventing severe disease
- 11. A disease causing agent that is resistant to available treatments
- 12. A virus that causes yearly epidemics
- 14. An advanced stage of immunodeficiency caused by HIV infection
- 15. A pathogen that is a single-celled organism
- 16. Treatment for bacterial infections
- 18. A mode of transmission involving dust particles
- 19. A body fluid that can transmit a disease-causing agent by needles
- 21. A disease that causes swelling of tissue around the brain
- 22. An STD caused by spiral-shaped bacteria
Down
- 1. A microorganism that can cause illness
- 2. A bacterial disease that causes severe dehydration
- 4. A pathogen that is a packet of genetic material within a protein shell
- 5. A virus spread by close contact that can cause a rash
- 6. A body fluid that is propelled into the air when you sneeze or cough
- 8. A mode of transmission involving sneezing or coughing
- 10. An illness caused by many different viruses called rhinoviruses
- 13. A virus that can be spread by mosquito or as an STD
- 14. A treatment for HIV that keeps viruses from infecting
- 17. A blood-borne virus that can infect the liver
- 20. A term used for an animal that spreads a disease