Multiple choice

Which of the following is not a cause for the spread of swine flu?

  1. Coughing

  2. Drinking impure water

  3. Sneezing

  4. None of these

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Swine flu (H1N1) spreads primarily through respiratory droplets when an infected person coughs or sneezes. Drinking impure water is not a transmission mode for influenza viruses, which is why it's the correct 'not a cause' answer.