Regarding the ethnic targetting of Covid 19 and RFK

"ACE2-K26R; which is most frequent in Ashkenazi Jewish population decreased the SARS-CoV-2/ACE2 electrostatic attraction.

On the contrary, ACE2-I468V, R219C, K341R, D206G, G211R increased the electrostatic attraction; ordered by binding strength from weakest to strongest.

The aforementioned variants are most frequent in East Asian, South Asian, African and African American, European, European and South Asian populations, respectively."

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7439997/

The study on the pathogenicity of Covid depending on genetic ethnicity…

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7439997/