Multiple choice general knowledge science & technology What are the Precautions to keep swine flu at bay? Wash your hands frequently Get enough sleep Drink sufficient water Boost your immune system All of the above Reveal answer Fill a bubble to check yourself E Correct answer Explanation All the listed precautions (frequent hand washing, adequate sleep, sufficient hydration, and immune system boosting) are valid measures to prevent swine flu. Option E (All of the above) is the correct comprehensive answer.