You book an all-inclusive vacation to relax, indulge, and maybe make questionable choices at the swim-up bar—not to spend quality time examining the tile pattern on the resort bathroom floor. Yet foodborne illness strikes thousands of travelers every year, and when it happens on vacation, the stress doubles. Suddenly you’re wondering if that buffet shrimp was plotting against you and, more importantly, whether the resort can be held accountable. Here’s what you need to know before you point any fingers.