Across
- 5. rare infection of the brain
- 6. SPREAD OF STDS
- 7. proteins that are made when the immune system prepares to attack an infectious agent in the body
- 8. virus that primarily infects cells of the immune system
- 9. occurrence of more cases of a diseases than expected
- 12. disease caused by the HIV infection which weakens the immune system
- 13. disease that spreads quickly through human populations all over the world
- 15. measure of the number of viruses in the blood
- 16. infection in which the infectious agent is present but thereare few or no symptoms of the infection
Down
- 1. illness due to organism that causes disease in people with weakened immune system
- 2. showing no signs of a disease even though an infection or disease is present
- 3. the act of refraining from indulging to a desire
- 4. infectious diseases that are spread by sexual contact
- 10. extremely important for both the mother and baby
- 11. test that measures the number of helper T cells in the blood
- 14. white blood cells that activate the immune response