Nevertheless, NYU's Tierno uses pillows and blankets only when they come wrapped in plastic, since they can also harbor human tissue debris, ringworm fungi, even head lice. The bottom line is that we live in a sea of bacteria, and common sense shouldn't be suspended midair. At least one United Airlines pilot isn't concerned with how fresh her airplane blanket may be. Whenever her family flies, she makes sure everyone has one to duck under during an emergency landing. Filthy or not, airplane blankets are flame retardant.
Flight attendants say passengers regularly visit the lavatory in their bare feet.
Don't do it. Apply a dab of mineral oil just inside each nostril to protect nasal passages from drying, cracking, and increased risk of infection. Consider wearing a disposable surgical mask if you're feeling coughed upon.