Across
- 3. The type of flu that caused the 1918 pandemic.
- 7. A disease that can not be spread.
- 9. Virus that attacks certain types of plants.
- 10. An organism that carries disease, but doesn't cause it.
- 12. Isolate oneself from other infected people.
- 13. A virus invades a host cell to ____________ more viruses
- 15. An epidemic where the virus infects people worldwide.
- 17. An organism that is harmed by a parasite
- 19. The outer layer of a virus that protects its DNA.
Down
- 1. They human body system that fights disease.
- 2. A noninfectious disease that is caused by too much sun
- 4. A bacterial infection that makes you a sore throat.
- 5. Virus ___________ makes the host cell make
- 6. 5 million viruses can fit in a drop of _______.
- 8. A microorganism such as a virus that causes disease
- 11. An organism that use a host cell to survive.
- 14. A virus is nonliving because they do not have ______.
- 16. The ability to resist or recover from a viral disease.
- 18. The number one way to stop a disease from spreading.