Association of ABO and RhD blood groups with the risk of HIV infection

Author:

Jacobs GenevieveORCID,Van den Berg Karin,Vermeulen Marion,Swanevelder Ronel,Custer Brian,Murphy Edward L.

Abstract

Naturally occurring antibodies against ABO antigens present in human sera have been shown to neutralize ABO-expressing HIV in vitro. We investigated associations between ABO and RhD blood groups and HIV infection among blood donors from all blood collection centers in eight of South Africa’s nine provinces. Whole blood donations collected from first time donors between January 2012 and September 2016 were tested for HIV RNA by nucleic acid testing and HIV antibody using third generation serology assays. ABO and RhD blood types were determined using automated technology. Odds ratios for the association between HIV positivity and ABO and RhD phenotypes were calculated using multivariable logistic regression analysis. We analyzed 515,945 first time blood donors and the overall HIV prevalence was 1.12% (n = 5790). After multivariable adjustment, HIV infection was weakly associated with RhD positive phenotype (OR = 1.15, 95% CI 1.00–1.33) but not with ABO blood group. The observed association with RhD positive phenotype was marginal and likely due to residual confounding by racial group but could serve to generate hypotheses for further studies.

Funder

Office of Research Infrastructure Programs, National Institutes of Health

Fogarty International Center

Publisher

Public Library of Science (PLoS)

Subject

Multidisciplinary

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