President Trump had a busy week of election events in the week leading up to his positive test where the virus may have been spread.
A number of Donald Trump's aides and allies have also tested positive which raises concerns about the scope of a possible outbreak.
The period between infection and sickness can be anything from a few days to two weeks, so he could have contracted it on a number of occasions and from a variety of people.
Here is a summary of where he was and who he had contact with: Saturday, September 26 A White House ceremony was held where Judge Amy Coney Barrett was nominated to replace the late Justice Ruth Bader Ginsburg on the Supreme Court.
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