The only evidence is the source the claim was taken from, which is where it came from rather than a check of it. No outside evidence has been counted.

“In the AMP trials, prophylactic VRC01 selected de novo HIV escape mutations in 8 of 26 treated participants but none of 21 placebo participants; several mutations caused cross-resistance, while N6 and 1–18 largely retained activity.”

3 of 4 review checks done · 1 counted · 2 by the author only

Insufficient evidence · review checks 1 of 4 · provisional until audited. The number is model-conditional, not a share of truth.