The RH Negative Blood Type: Lower Incidence of HIV Infection?

The Role of Red Blood Cells in Enhancing or Preventing HIV Infection and Other Diseases
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3810323/
ABO/Rh Blood Groups and Risk of HIV Infection and Hepatitis B Among Blood Donors of Abidjan, Côte D’ivoire
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4598888/#:~:text=Incidence%20of%20HIV%20infection%20was,in%20different%20ABO%20blood%20groups.
Patent US5993812A
https://patents.google.com/patent/US5993812A/en