The air we breathe
We’ve all felt the effects of dry conditions on board –
mucous membranes of the nose and respiratory tract – that makes us think that we are dehydrated even if we are not. Since those membranes are one of the body’s first defenses against airborne bacteria, many of us believe we are more likely to become ill after long-haul flights, particularly if the passenger next to us is coughing and sneezing.
Professor John Oxford is a leading virologist and chairman of the Hygiene