A new study provides further evidence that people with certain blood types may be more likely to contract COVID-19.
Specifically, it found that the new coronavirus (SARS-CoV-2) is particularly attracted to the blood group A antigen found on respiratory cells.
The researchers focused on a protein on the surface of the SARS-CoV-2 virus called the receptor binding domain (RBD), which is the part of the virus that attaches to the host cells. That makes it an important target for scientists trying to learn how the virus infects people.
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