Ail to the chief: How to survive the presidential campaign trail

HILLARY Clinton’s bout of pneumonia has shed light on a problem seldom seen by voters: The long days, little sleep, cross-country travel, bad food, and kissing babies add up to a recipe for illness for presidential candidates and aides.
Avoiding viruses and other ailments can be next to impossible for people who spend months in the close confines of campaign planes and buses.