News FDA commissioner refuses to comment on Trump’s claim that 99 percent of coronavirus cases are ‘harmless’ July 6, 2020 Sarah Elbeshbishi, USA TODAY Comments Off on FDA commissioner refuses to comment on Trump’s claim that 99 percent of coronavirus cases are ‘harmless’ Trump calls 99% of COVID cases "harmless" in his July 4 speech. FDA Commissioner Stephen Hahn refused to comment on the claim.