Health and hygiene

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Across
  1. 3. diplococcus pneumoniae
  2. 6. varicella zoster
  3. 7. the organism causing a disease
Down
  1. 1. whooping cough
  2. 2. the virus that causes flu
  3. 4. world health organization
  4. 5. common cold
  5. 8. salmonella typhi