Introduction
infection, SARS-CoV-2 infection
COVID-19 (CORONAVIRUS DISEASE 2019), SARS-COV-2 INFECTION, DISEASE, INFECTION, CORONAVIRUS, SEVERE ACUTE RESPIRATORY SYNDROME
Since 2020, the world has been struggling with the COVID-19 (Coronavirus Disease 2019) pandemic caused by the SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2). The research community has mobilized to identify potential risk factors associated with SARS-CoV-2 infection and COVID-19 severity, in an effort to better understand the dynamic of infection, pinpoint individuals at higher risk and help prevent the disease and related adverse outcomes. Early reports comparing the distribution of ABO blood types between individuals infected or not by the SARS-CoV-2, suggested that ABO blood types could be related to the risk of SARS-CoV-2 infection