Travel: Cats on a plane? Allergy sufferers can't escape

Some airlines allow 10 cats on a flight; all seats tested had traces of allergen

“Holiday travelers with cat allergies may find the best advice is beware in the air, according to a new study that says it’s nearly impossible to avoid feline fallout at 30,000 feet.

Whether it's residue from cats actually on board, or detritus carried by pet-loving passengers, the most common feline allergen was detected in 100 percent of aircraft seats tested — and in high enough amounts to trigger serious reactions in sensitive people, according to a report by Swiss scientists.”