Biology puzzle made by Aadish jain

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Across
  1. 4. Droplet transmission while coughing and sneezing
  2. 5. Prevention is proper hygienic condition
  3. 6. Haemophilis pertussis
Down
  1. 1. Spread through air ,contact
  2. 2. cough
  3. 3. Prevention vaccine ,good nutrition
  4. 7. Rise of body temperature to 104 - 105 f ,congestion of lungs