Table 3.
The association between blood groups and SARS-CoV-2 infection and severity.
| Country | Blood group with susceptibility to SARS-CoV-2 infection | Severity of infection and mortality | References |
|---|---|---|---|
| China | Group A | Group A associated with higher risk for hospitalization and mortality than non-group A | 34, 35, 36 |
| USA | Group B and Rh(D) positive | Risk of intubation decreased among group A and increased among groups AB and B. Rh(D)-negative blood type protective against mortality. |
[37] |
| Turkey | Group A | No significant effect of ABO on clinical outcomes, including mortality | [38] |
| Iran | Group AB | No significant effect of ABO on clinical outcomes, including mortality | [39] |
| Canada | Group A Group AB |
group A or AB associated with longer ICU stay | [40] |