Ethan

1234567891011121314
Across
  1. 2. A preparation to stimulate the body's immune response against disease
  2. 6. A protein component of the immune system that neutralises foreign substances
  3. 10. Diseases that can be spread from person to person
  4. 12. an unexpected increase in the number of disease in a specific area
  5. 13. An epidemic that affects a worldwide area
Down
  1. 1. Organisms that are small, unicellular, independently reproducing and free living.
  2. 3. When a microorganism enters a person body and causes harm
  3. 4. Immunity you develop over your lifetime
  4. 5. An organism causing disease to its host
  5. 7. The immune systems response to harmful stimuli
  6. 8. Abnormal pathogen agents that are transmissible
  7. 9. DNA molecule that is used to carry a particular DNA segment into a host cell.
  8. 11. AN infectious microbe that consists of either DNA or RNA surrounded by a protein coat.
  9. 14. A substance that causes your immune system to produce antibodies against it