MIT Medical answers your questions about COVID-19. Today’s topic? How safe is air travel? What about that re-circulated air in the cabin? And should I look for an airline that’s still blocking middle seats?
April 23: You know the drill: Soap, water, and a couple of verses of “Happy Birthday.” Experts keep telling us that hand washing is a powerful weapon against bacteria and viruses, including COVID-19. What’s the science behind the constant call to “wash your hands”?