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](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2018/05/051618_RE_travelers-diarrhea_feat.jpg?fit=860%2C460&ssl=1)
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