Statement from White House physician does not say if Trump tested negative, hours after he appeared without a mask before hundreds of supporters

Sean Conley says the US president hasn't required supplemental oxygen since he was initially hospitalized last week for COVID-19

Dr. Sean Conley admits presenting rosy depiction of president’s condition and is bound to only release information approved by Trump, but as a military man, he is barred from lying

But physicians sow additional confusion by saying the US president's oxygen levels dropped again suddenly on Saturday