Some people in MO are betraying their cult.

"They did their own research on it, and they talked to people and made the decisions themselves," Frase told CNN's Anderson Cooper. "But even though they were able to make that decision themselves, they didn't want to have to deal with the peer pressure or the outbursts from other people about them ... 'giving in to everything.'"

In a hospital produced video, Frase said one pharmacist at her hospital told her "they've 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 anybody know that I got this vaccine.'"