DISEASE 2

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Across
  1. 4. -causal organism of contaminated water and food borne disease.
  2. 6. -an organism that causes a sexually transmitted disease.
  3. 7. process of building immunity
Down
  1. 1. a physical or mental problem that a person experiences that may indicate a disease or condition.
  2. 2. a group of signs or changes in the body that are typical of an illness
  3. 3. a preparation that is administered to stimulate the body's immune response against a specific infectious agent.
  4. 5. living organism that transmits an infectious agent from an infected animal to a human or another animal.