What we know - and don't know - about Trump's COVID-19 illness
The following is some of what is known and what is still unclear about the president's bout with COVID-19.
US President Donald Trump wears a protective face mask during a tour of the Fujifilm Diosynth Biotechnologies' Innovation Center, a pharmaceutical manufacturing plant where components for a potential coronavirus disease (COVID-19) vaccine candidate are being developed, in Morrisville, North Carolina(photo credit: REUTERS)ByREUTERS