Gotcha!
Medical advice is best suited to IMHO.
Colibri
General Questions Moderator
You’re missing the point here. To avoid rhinoviruses, you need to avoid rhinoceroses. In East Asia, where OP keeps catching this (especially in S. E. Asia, I think), that can be challenging.
Unless he experiences diarrhea (common with megadoses of vitamin C), or kidney stones. Yeah, he’ll just pee out the stones, no harm.