Reply To: Do any Frum Anti-Vaxxers Drink Cholov Stam Milk?

The term “cholov stam” does not exist in halocho, and certainly Reb Moshe never uses it.

That is my understanding as well; the term used by HaRav Hagaon Rav Moshe Feinstein, ZT”L, in Igros Moshe is <i>Cholov ‘HaCompanies'</i>.