Nation Anti-vaxxer pushes urine therapy as ‘COVID antidote’ without scientific evidence January 11, 2022June 16, 2022 Gabriela Miranda, USA TODAY Comments Off on Anti-vaxxer pushes urine therapy as ‘COVID antidote’ without scientific evidence Christopher Key is a known anti-vaxxer and has pushed urine therapy as a "COVID antidote." Doctors say there is no research to support his claim.