Communicable diseases puzzle

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Across
  1. 4. Name for an organism that causes disease.
  2. 6. Tiny particles that infect cells and harm them.
  3. 7. The leaves of a plant infected with TMV have this appearance.
  4. 8. Also called 'the clap'.
  5. 10. This kind of plant can be infected by TMV and gives the virus its name.
  6. 12. A viral pathogen that damages our white blood cells and can cause AIDS.
  7. 13. Disease caused by a virus that can be vaccinated against using the MMR vaccine.
Down
  1. 1. A symptom of cholera.
  2. 2. Microscopic organisms that have no nucleus.
  3. 3. Bacteria can make these in the body and cause harm to our cells.
  4. 5. A nasty infection of the gut caused by not cooking chicken properly.
  5. 9. Bacteria cells are so small that do have one of these.
  6. 11. Caused by a virus and everyone's worried about it.