 1Life Healthcare Inc. , which operates the One Medical direct primary care business, on Wednesday told investors that it started seeing a meaningful drop in COVID-19 testing in April as a greater number of Americans were vaccinated against the virus and the number of coronavirus cases in the U.S. continued to decline. 1Life CFO Bjorn Thaler cited a faster-than-anticipated education in COVID-19 testing volumes, according to a FactSet transcript of the companys first-quarter earnings call. 