Infectious disease

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Across
  1. 3. An organism that causes disease
  2. 5. Any condition that interferes with the proper functioning of the body or mind
  3. 8. An organism invisible to the naked eye, especially one that causes disease
  4. 9. A preparation of dead or weakened pathogens that are introduced into the body to stimulate an immune response.
Down
  1. 1. animal-like protists
  2. 2. Compound that blocks the growth and reproduction of bacteria
  3. 3. An organism that lives on or in a host and causes harm to the host
  4. 4. A worldwide epidemic.
  5. 6. A widespread outbreak of an infectious disease.
  6. 7. measures contributing to cleanliness and good health