ABO blood groups are the most basic system of blood typing. This system divides blood into four groups – A, B, AB and O. The other main grouping used is the Rhesus (Rh) system, which is either ...

The basic elements of blood are same in every person, yet our blood is not alike. Blood is classified into various types or groups based on the presence or absence of special antigens (proteins, ...

Close up photo of female scientist holding a laboratory pipette and a blood sample tube for covid-19 in laboratory. She is wearing a protective suit, laboratory glasses, surgical mask and surgical ...

A new study investigated the impact of ABO and Rh blood groups on COVID-19 susceptibility, prognosis, recovery time, and mortality. It is unclear whether blood groups have any impact on COVID-19 risk ...

The ABO-Rh system of blood group typing is an immensely successful method that helps medical professionals safely perform blood transfusions throughout the world. Scientists from the French Blood ...

This study was undertaken to determine whether Rh-positive mothers induce immunologic tolerance or primary sensitization in their Rh-negative daughters as the result of transplacental passage of the ...

To understand why this discovery matters, it helps to separate the idea of a rare blood type from a genuinely new blood group system. Most people are familiar with ABO and Rh, but there are dozens of ...