[Virginia-American]

and all known mutations are detrimental

Here's an example of a human mutation that increases resistance to HIV infection. Do a search on CCR5. The paper I linked to is a report on research that claims that the gene was selected for because it confers resistance to smallpox; it is claiming that the results of previous research, claiming it was selected for by bubonic plague, are incorrect.

[Coyoteman]

and all known mutations are detrimental

Here's an example of a human mutation that increases resistance to HIV infection. Do a search on CCR5. The paper I linked to is a report on research that claims that the gene was selected for because it confers resistance to smallpox; it is claiming that the results of previous research, claiming it was selected for by bubonic plague, are incorrect.

Two more examples: Sickle cell anemia. Thalassemia.

darkocean is blown out of the water. Do not pass GO. Do not collect $200.

Do not have any credibility on future FR posts for a long while.