The commissioner of the US Food and Drug Administration declined to defend President Donald Trump's unfounded claim that 99 per cent of coronavirus cases are "totally harmless" and repeatedly refused to say whether Trump's remark is true or false, CNN reported.
"I'm not going to get into who is right and who is wrong," Dr Stephen Hahn, a member of the White House coronavirus task force, told CNN's Dana Bash on "State of the Union".
