Vladimir Zelenko, 48, Dies; Promoted an Unfounded Covid Treatment July 1, 2022 Auto Bot Coronavirus (2019-nCoV), Deaths (Obituaries), Food and Drug Administration, Hydroxychloroquine (Drug), Research, Trump, Donald J 0 A self-described “simple country doctor,” he won national attention in 2020 when the White House embraced his hydroxychloroquine regimen.