Wait for the anti-mask crowd to spin this as, "I'm leaving myself completely exposed to covid in the hope the right rhino virus will give me short-term x2 protection against the covid that wearing an N95 routinely indoors in public would give me > x10 protection from!" Interesting effect, though.
A recent common cold may nearly halve risk of COVID-19, study suggests
Among COVID-infected participants, recent rhinovirus infection was tied to a 9.6-fold lower SARS-CoV-2 viral load, or amount of virus in the body.