Even as the more contagious Delta variant drives a surge in infections, the Covid-19 vaccination effort has become so polarized in Missouri that some people are trying to get shots in secret to avoid conflicts with friends and relatives, a doctor there said.

In a video circulated by her employer, Dr. Priscilla A. Frase, a hospitalist and the chief medical information officer at Ozarks Healthcare in West Plains, Mo., said this month that several people had pleaded for anonymity when they came in to be vaccinated, and that some appeared to have made an effort to disguise themselves.

“I work closely with our pharmacists who are leading our vaccine efforts through our organization,” she said, “and one of them told me the other day that they had several people come in to get vaccinated who have tried to sort of disguise their appearance and even went so far as to say, ‘Please, please please, don’t let anyone know that I got this vaccine.’”

It was not clear how many people had tried to alter their appearance to avoid recognition, or how they […]