Biology for IGCSE & O level - Diseases And Immunity (Section 5 - No. 7)
Which of the following is the most effective way to prevent the transmission of airborne diseases?
Sharing utensils
Covering the mouth and nose when coughing or sneezing
Avoiding handwashing
Eating undercooked food.
Explanation
Covering mouth and nose when coughing or sneezing helps prevent the spread of disease through the air.
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