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Individuals with a Rh-positive but not Rh-negative blood group are more vulnerable to SARS-CoV-2 infection: demographics and trend study on COVID-19 cases in Sudan.
Taha, S A H; Osman, M E M; Abdoelkarim, E A A; Holie, M A I; Elbasheir, M M; Abuzeid, N M K; Al-Thobaiti, S A; Fadul, S B; Konozy, E H E.
Affiliation
  • Taha SAH; Department of Clinical Chemistry, Faculty of Medical Laboratory Sciences, Alzaeim Alazhari University, Khartoum, Sudan.
  • Osman MEM; Zoology Department, Faculty of Sciences, Khartoum University, Khartoum, Sudan.
  • Abdoelkarim EAA; Department of Microbiology, National Ribat University, Khartoum, Sudan.
  • Holie MAI; Department of Microbiology and Immunology, Faculty of Medical Laboratory Sciences, Alzaeim Alazhari University, Sudan.
  • Elbasheir MM; Department of Parasitology and Medical Entomology, Faculty of Medical Laboratory Sciences, Alzaiem Alazhari University, Khartoum, Sudan.
  • Abuzeid NMK; Department Medical Microbiology, Omdurman Islamic University, Khartoum, Sudan.
  • Al-Thobaiti SA; Department of Biology, University College Turabah, Taif University, Saudi Arabia.
  • Fadul SB; Africa City of Technology, Khartoum, Sudan.
  • Konozy EHE; Biotechnology Department, Africa City of Technology, Khartoum, Sudan.
New Microbes New Infect ; 38: 100763, 2020 Nov.
Article in En | MEDLINE | ID: mdl-32983543
Coronavirus disease 2019 (COVID-19) is an infectious disease caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). In Sudan, several haematological studies were conducted to study the ABO blood group distribution among the population, in which the O blood group was dominant followed by the A blood group. However, there is no systematic study into any correlation between COVID-19 and the population's blood group types, therefore we have intended to study the possible effect of blood group on the acquisition of SARS-CoV-2 infection. A questionnaire-based case-control study was carried out on 557 individuals with COVID-19 in Sudan; factors such as age, blood group, previous malaria infection, history of ailments such as diabetes, hypertension and symptoms suffered were also considered and analysed. More women were infected than men, and individuals between 25 and 35 years were the most affected age group. O Rhesus-positive (O+) blood group was the least affected by the disease while A Rhesus-positive (A+) individuals were the most vulnerable. Fatigue, fever and loss of smell were the major symptoms among the patients, but 13% of SARS-COV-2-positive individuals remained asymptomatic. As the Sudan population is largely constituted of O Rhesus-positive inhabitants (approximately 50%) these results might explain the relatively lower COVID-19 incidence in the country.
Key words

Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Observational_studies / Risk_factors_studies Language: En Journal: New Microbes New Infect Year: 2020 Document type: Article Affiliation country: Sudan Country of publication: United kingdom

Full text: 1 Collection: 01-internacional Database: MEDLINE Type of study: Observational_studies / Risk_factors_studies Language: En Journal: New Microbes New Infect Year: 2020 Document type: Article Affiliation country: Sudan Country of publication: United kingdom