Your blood type might make you more likely to get traveler’s diarrhea

A diarrhea-causing strain of E. coli gloms onto molecules found on type A blood cells

E. coli

BAD BLOOD A strain of E. coli (computer-generated image above) that causes severe diarrhea can latch onto intestinal cells more easily in people with type A blood, a discovery that hints at a potential vaccine.

Alissa Eckert and Jennifer Oosthuizen/CDC

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