Across
- 3. Medications that destroy or slow down the growth of bacteria.
- 6. ________ immunity: When a high percentage of the population is vaccinated, it is difficult for infectious diseases to spread, because there are not many people who can be infected.
- 7. Disease spread through contact with bodily fluids such as blood.
- 8. Virus that attacks the body's immune system.
Down
- 1. ________ means that it is possible to transmit the microbes from an infected person to a healthy one
- 2. Long, single-stranded chain of cells that processes protein.
- 4. Disease spread when an infected person coughs or sneezes.
- 5. ________ immunity: defense system with which you were born.