Viruses

1. helps ensure that if someone is already exposed, that they stay away from others.
4. stimulates a host's immune system to mount defenses against the pathogen
7. surrounds the capsid and helps the virus enter cells
10. DNA is added to the host cell's DNA and is copied along
11. The complete elimination of a disease.
15. A pandemic results from an epidemic that has grown past geographic boundaries.
16. to give someone a disease
17. cycle of viral infection; results in replication of virus and cell destruction
18. A specialized protein produced by the immune system that helps destroy disease-causing organisms.
19. RNA virus that contains reverse transcriptase
20. A tiny, nonliving particle that invades and then reproduces inside a living cell.

2. A compound that inhibits the growth and reproduction of bacteria.
3. virus attacks and destroys the human immune system.
5. A protein coat that may contain RNA or DNA but not both
6. A cell that a virus invades
8. The basic unit of all living things.
9. A viral infection causing small painful blisters and inflammation
12. A disease that can spread from person to person through direct or indirect transmission.
13. The resistance to an infectious disease
14. An organism that can cause disease