Across
- 1. Outer protein shell
- 3. What type of blood cells fight viruses?
- 6. What are viruses measured in?
- 7. Infectious, nonliving, noncellular particle
- 8. What is done to the virus to weaken or kill it?
- 9. Virus exits the host cell
- 10. What do they attach themselves to?
Down
- 2. Entry into host cell
- 4. Binding to specific receptors on the host cell
- 5. What can be given to prevent people from getting sick?
- 10. What do they do to our cells?
- 11. Virus that devasted humankind until a vaccine was created in the 1800's
