Travelers Use Medicines and Rituals to Try to Ward Off Sickness

???¢?¢?€š?¬?…?€?Before every business trip, Sandra Fink stocks up on echinacea.
Adrienne O’Sullivan takes prescription pills to strengthen her immune
system, while Joel Kangisser is so worried about the risk of a blood
clot in his legs that he takes frequent walks down the plane aisle on
trans-Atlantic flights.???¢?¢?€š?¬?‚??