Across
- 4. scientific name for white blood cells
- 7. disease causing microbe
- 8. injection of a dead or weakened pathogen meant to build immunity
- 9. contact with something(a pathogen)
- 11. a protein produced by white blood cells
- 12. particles composed of nucleic acid and protein that can be infectious
- 13. an abnormal response or an overreaction of the immune system
Down
- 1. any condition that prevents the body from working as it should
- 2. a protein marker found on the surface of cells
- 3. experience that a person feels or reports to indicate a disease or condition
- 5. human immunodeficiency virus
- 6. disease-causing organism that can be transmitted to other people
- 10. a microorganism that can be infectious