When it comes to flying, many of us believe that the air circulating on a plane makes us more likely to catch a cold. However: "There is no evidence to suggest that the air-conditioning on a plane contributes to you getting ill," reassures Dr Eleanor Atkins of Bupa UK. "The air we breathe on a plane, is made up of a combination of fresh and recirculated air, so it's not just recycled air."
This is a companion discussion topic for the original article at https://patient.info/news-and-features/do-planes-and-trains-make-us-sick