Lawmaker Promoted Stem Cell Therapy for Covid-19 in Fraud Scheme, U.S. Says February 4, 2021 Auto Bot Coronavirus (2019-nCoV), Disease Rates, Frauds and Swindling, Therapy and Rehabilitation, United States Politics and Government 0 Tricia Derges, a Republican state representative in Missouri, falsely claimed to patients at her medical clinic that she was injecting them with stem cells, prosecutors said.