Amid recent surging coronavirus cases in Florida, a top Republican National Committee official in the state has spread anti-vaccine rhetoric and misinformation, comparing the Biden administration's vaccine efforts to Nazi-era "brown shirts," and twice calling the vaccines "the mark of the beast," comparable to a "false god."

A review by CNN's KFile found that Peter Feaman, a lawyer and RNC committeeman from Florida made the comments on his blog the "The Backhoe Chronicles," which he publishes regularly in a private group on MeWe. The social media platform bills itself as...