“She still supports vaccines. Is it like a religion?”
No. It’s a cult.
The Branch Covidians believe in their magical sacraments no matter how many of their children get killed by them.
Very good.
So here is a riddle: Which branch of all religions has a “multiple-baptisms-required” doctrine?
The BranchCovidian[muslims/catholics/baptists/buddhists/etc.]
Because the shot = baptism for these people. The outward sign of their “faith”.