importance of WHO

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Across
  1. 3. Disease succesfully handled by WHO in 2003
  2. 4. CoranaVirus first appeared
  3. 5. coiling around in the emblem of WHO
  4. 6. WHO headquarters
Down
  1. 1. gives immunity
  2. 2. The person should do this when sick
  3. 5. eradicated disease in 1980