FDA Commissioner Stephen Hahn refused to comment on if there is any validity to Donald Trump's claim that 99% of coronavirus cases are 'totally harmless' 

'So, I'm not going to get into who's right and who's wrong,' Hahn told CNN 

During Independence Day remarks at the White House, Trump touted that 40 million people have been tested for the virus

He claimed: '99 per cent of which are totally harmless' cases

The infection rate has continued to skyrocket in the U.S. over the last two weeks