CCR5 Delta 32 is very rare in people I think it was like 1 percent of the population. Very cool article about it.


https://www.theatlantic.com/science/archive/2...es/590815/

Wait I lied more like 10 percent.

Also look at this!

CCR5Delta32 deletion as a protective factor in Czech first-wave COVID-19 subjects


https://pubmed.ncbi.nlm.nih.gov/33728925/