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Footballguy
The RO assay (receptor occupancy) measures how effectively the drug binds to the CCR5 receptor--in other words, it shows whether the drug is working or not.Literally no idea what that means
The genotyping assay tests whether the patient has "wild" or "dead" CCR5. "Dead" CCR5 means that nothing can bind to that receptor and therefore, patients with "dead" CCR5 will not progress to severe or critical COVID. Dead CCR5 mostly occurs in Northern European countries. About 10% of Americans have dead CCR5.