Role of microorganism in health

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Across
  1. 4. dicovered vaccine
  2. 5. these microorganisms kill or stop the growth of disease causing microorganism
  3. 6. first vacine was made for this disease
  4. 7. help in buildings antibiotics and fight to invader
Down
  1. 1. capability of a person to resist disease
  2. 2. penicillin obtained from here
  3. 3. scientists discovered penicillin