Disease

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Across
  1. 6. A disease that can be passed from one person to another
  2. 7. To protect against disease by receiving a vaccine
  3. 8. Medicines used to treat bacterial infections
  4. 9. Illness caused by a virus or bacteria
Down
  1. 1. The study of diseases and how they affect living things
  2. 2. Tiny organisms that can cause disease (plural)
  3. 3. The spread of disease from one person to another
  4. 4. A substance that helps the body fight diseases by creating immunity
  5. 5. The body's natural defence system against disease