Key clinical point: Severe diarrhea was significantly more frequent in adults with an A blood type, compared with B or O types.
Major finding: The overall relative risk of moderate to severe diarrhea was 1.44 for A blood groups, compared with non-A blood groups.
Study details: The data come from 106 adult volunteers who had participated in previous human infection model studies.
Disclosures: The study was supported by funds from the PATH Enteric Vaccine Initiative, the Department of Veterans Affairs, the National Institutes of Health, and the Digestive Diseases Research Core Center at Washington University School of Medicine, St. Louis. The researchers had no financial conflicts to disclose.
Source: Kumar P et al. J Clin Invest. 2018 May 17; doi: 10.1172/JCI97659.
Kumar P et al. J Clin Invest. 2018 May 17; doi: 10.1172/JCI97659.