Fauci cautions that arrival of vaccines will not like flipping a switch to return to normal life, urges Americans to continue taking precautions, social distancing

Bannon urged putting the officials' heads 'on pikes' as 'a warning to federal bureaucrats'; Twitter permanently suspends account for 'glorification of violence'

Dr. Anthony Fauci predicts American hospitals poorly situated to deal with COVID and flu outbreaks, says he no longer advises Trump, drawing fire from White House

With coronavirus increasingly politicized and amid shifting recommendations, physicians find themselves struggling to maintain their communities' trust in medical professionals

US president faces intense pressure to turn around his campaign as he plays defense in states he won four years ago

'In my nearly five decades of public service, I have never publicly endorsed any political candidate,' says top US government scientist

As president restarts campaign events, medical officials say there is 'chain of unknowns' in assessing whether he is no longer a danger to his surroundings

Europeans say their image of the US has cracked, given skyrocketing deaths and infections there, since the country had benefit of time and medical know-how to confront virus

President accuses Deborah Birx, who warned of a 'new phase' in outbreak, of giving in to pressure from Democratic House speaker Nancy Pelosi

But officials testifying at a contentious House hearing acknowledge US remains unable to deliver all COVID-19 test results within two or three days