The drying effect of alcohol can be reduced or eliminated by adding glycerin and/or other emollients to the formula.
Imeripotiwa kwamba virusi vya bat CoV vinavyoitwa ARCoV.2 (Appalachian Ridge CoV) vilivyogunduliwa Kaskazini mwa Marekani popo wa rangi tatu alionyesha uhusiano wa karibu na HCoV-NL63.