COVID transmission influenced by blood transmission rules

Accumulated evidence worldwide shows that blood type affects the risk of SARS-CoV-2 infection, with blood Type O being less susceptible and non-O blood types more susceptible. The results of a new data model by Dr. Peter Ellis, Senior Lecturer in Molecular Genetics and Reproduction at the University of Kent's School of Biosciences reveals the most likely explanation is that SARS-CoV-2 infection behaves similarly to a blood transfusion. He said:

source https://medicalxpress.com/news/2022-01-covid-transmission-blood.html