"Sure, I'd like to take some effective preventative measure against COVID-19 infection." "And sure, I know HCQ+Zinc is best, but nobody around here will issue or fill a HCQ prescription for prophylaxis." You can go 100% OTC for prophylaxis, because Dr. Zev says OTC quercetin will work, too, in place of HCQ. This is the simple regimen he posted on Twitter for prophylaxis: Quercetin 500mg one or two a day (OTC) Zinc 25mg (elemental) once a day (OTC) Personally, I take 2 capsules of “Zinc Quercetin” (Sandhus brand: Amazon, Walmart and almost any drugstore would have it, and there are...