Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis

Background: The investigation of the correlation between ABO blood groups and susceptibility to infectiousdiseases, particularly COVID-19 and Helicobacter pylori (H. pylori), has garnered significant scholarlyattention in recent studies. This study aimed to evaluate the association between ABO blood...

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Main Authors: Maryam Nejabat, Mohammad Motamedifar, Saeid Amiri Zadeh Fard
Format: Article
Language:English
Published: Shiraz University of Medical Sciences 2025-03-01
Series:Iranian Journal of Colorectal Research
Subjects:
Online Access:https://colorectalresearch.sums.ac.ir/article_50962_80387c9362c3854ddc7048ef75df1909.pdf
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author Maryam Nejabat
Mohammad Motamedifar
Saeid Amiri Zadeh Fard
author_facet Maryam Nejabat
Mohammad Motamedifar
Saeid Amiri Zadeh Fard
author_sort Maryam Nejabat
collection DOAJ
description Background: The investigation of the correlation between ABO blood groups and susceptibility to infectiousdiseases, particularly COVID-19 and Helicobacter pylori (H. pylori), has garnered significant scholarlyattention in recent studies. This study aimed to evaluate the association between ABO blood groups and H.pylori infection with COVID-19 susceptibility and severity.Methods: This cross-sectional study was conducted from October 1, 2021 to March 31, 2023. During thisperiod, serum samples from 1,105 patients diagnosed with COVID-19 at hospitals affiliated with ShirazUniversity of Medical Sciences were analyzed for SARS-CoV-2 and H. pylori antibodies using the enzymelinkedimmunosorbent assay (ELISA) technique. Clinical data, including demographic characteristics andmanifestations of COVID-19, were collected through structured interviews and comprehensive reviews ofmedical records.Results: The prevalence of COVID-19 was significantly higher among individuals with blood group Acompared to other groups (P=0.032). Patients co-infected with H. pylori had more severe COVID-19 symptoms(P=0.021). The findings from this investigation reveal that blood group O is correlated with an increased riskfor both COVID-19 and H. pylori infections, whereas blood group AB demonstrates a reduced susceptibility toCOVID-19, although this does not imply definitive protective. Noteworthy associations were identified betweenABO blood groups and specific COVID-19 symptoms, including headache, chronic underlying conditions,chest discomfort, and sore throat. The hospitalization among patients with blood group AB was higher thanthat observed in other blood groups (10.8%), while it was notably lower in patients with blood group O (4.6%,P=0.038).Conclusion: Our findings suggest a significant association between ABO blood groups, H. pylori infection, andsusceptibility to COVID-19. These factors may contribute to disease severity and warrant further investigationfor potential clinical implications.
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spelling doaj-art-e33c15b1920b481c9f090ffdb2b1a7e22025-08-20T04:22:06ZengShiraz University of Medical SciencesIranian Journal of Colorectal Research2783-24302025-03-011311710.30476/acrr.2025.106687.124550962Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional AnalysisMaryam Nejabat0Mohammad Motamedifar1Saeid Amiri Zadeh Fard2Gastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, IranDepartment of Bacteriology and Virology, Shiraz Medical School, Shiraz University Medical Science, Shiraz, IranGastroenterohepatology Research Center, Shiraz University of Medical Sciences, Shiraz, IranBackground: The investigation of the correlation between ABO blood groups and susceptibility to infectiousdiseases, particularly COVID-19 and Helicobacter pylori (H. pylori), has garnered significant scholarlyattention in recent studies. This study aimed to evaluate the association between ABO blood groups and H.pylori infection with COVID-19 susceptibility and severity.Methods: This cross-sectional study was conducted from October 1, 2021 to March 31, 2023. During thisperiod, serum samples from 1,105 patients diagnosed with COVID-19 at hospitals affiliated with ShirazUniversity of Medical Sciences were analyzed for SARS-CoV-2 and H. pylori antibodies using the enzymelinkedimmunosorbent assay (ELISA) technique. Clinical data, including demographic characteristics andmanifestations of COVID-19, were collected through structured interviews and comprehensive reviews ofmedical records.Results: The prevalence of COVID-19 was significantly higher among individuals with blood group Acompared to other groups (P=0.032). Patients co-infected with H. pylori had more severe COVID-19 symptoms(P=0.021). The findings from this investigation reveal that blood group O is correlated with an increased riskfor both COVID-19 and H. pylori infections, whereas blood group AB demonstrates a reduced susceptibility toCOVID-19, although this does not imply definitive protective. Noteworthy associations were identified betweenABO blood groups and specific COVID-19 symptoms, including headache, chronic underlying conditions,chest discomfort, and sore throat. The hospitalization among patients with blood group AB was higher thanthat observed in other blood groups (10.8%), while it was notably lower in patients with blood group O (4.6%,P=0.038).Conclusion: Our findings suggest a significant association between ABO blood groups, H. pylori infection, andsusceptibility to COVID-19. These factors may contribute to disease severity and warrant further investigationfor potential clinical implications.https://colorectalresearch.sums.ac.ir/article_50962_80387c9362c3854ddc7048ef75df1909.pdfabo blood grouphelicobacter pyloricovid-19susceptibilityace2 receptor
spellingShingle Maryam Nejabat
Mohammad Motamedifar
Saeid Amiri Zadeh Fard
Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis
Iranian Journal of Colorectal Research
abo blood group
helicobacter pylori
covid-19
susceptibility
ace2 receptor
title Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis
title_full Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis
title_fullStr Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis
title_full_unstemmed Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis
title_short Effects of ABO Blood Groups and Helicobacter pylori on COVID-19 Susceptibility and Disease Severity: Findings from a Cross-Sectional Analysis
title_sort effects of abo blood groups and helicobacter pylori on covid 19 susceptibility and disease severity findings from a cross sectional analysis
topic abo blood group
helicobacter pylori
covid-19
susceptibility
ace2 receptor
url https://colorectalresearch.sums.ac.ir/article_50962_80387c9362c3854ddc7048ef75df1909.pdf
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