As soon as the infected mink were discovered, scientists across the globe and the CDC said that the mink variants might pose a threat. So it is more than a little disingenuous to claim that they have not been forthcoming about it. There have also been genetic level analyses of the mink variants and, so far, none of them show any indication that they would undermine the efficacy of the vaccines. There are more than a few papers out there detailing all of this: Vet.Path., Nature, Science, Emerg.Infect.Dis., Journ.Transl.Med., Euro.Survell...