id author title date pages extension mime words sentences flesch summary cache txt cord-329176-av4qhu4f Liu, Nanyang Association between ABO blood groups and risk of coronavirus disease 2019: A protocol for systematic review and meta-analysis 2020-08-14 .txt text/plain 2064 159 51 title: Association between ABO blood groups and risk of coronavirus disease 2019: A protocol for systematic review and meta-analysis The major objective of this systematic review and meta-analysis study is to investigate the impact of ABO blood group on COVID-19 pneumonia. DISCUSSION: This study will provide high-quality evidence to evaluate the contribution of the ABO blood group in COVID-19 pneumonia infection. A recent study in China compared COVID-19 patients with the general population found an association between the ABO blood group and SARS-CoV-2 infection status. [12] This study will systematically review the current evidence, aiming to provide clarity surrounding the role of the ABO blood type in patients with COVID-19. Search terms are: "blood type", "blood groups", "ABO", "novel coronavirus infected pneumonia", "COVID-19", "Corona Virus Disease 2019", "NCP", "2019-nCOV". ./cache/cord-329176-av4qhu4f.txt ./txt/cord-329176-av4qhu4f.txt