Daily positive cases of covid19 as a percent of total daily tests continues to fall nationally, a very good sign as covid testing expands. Declining positivity could be a leading indicator of an epidemic starting to decline. 10% is still high but it's coming down at a steady pace pic.twitter.com/xVP56dxUmV

— Scott Gottlieb, MD (@ScottGottliebMD) May 7, 2020