it looks like there wasn't one? their definition of infected vs uninfected is not giving a placebo intervention, but they infected the whole set of subjects and it just didn't take / the immune system gobbled it.

> Volunteers were divided into two groups for analysis: those who exhibited sustained viral infection, defined as having at least two consecutive quantifiable viral detections by qPCR (infected), and the remainder (uninfected).

:blobcatglare2: every time i see studies without a real control group i begin screaming internally