@Cyber LibertyWhen it was known about Hope Hicks having the virus, someone who was at the debate -(and Hicks had it then, and so may Trump have had it then) - said there was a hall and rooms off the hall and each candidate had a room, and Hope Hicks stayed in the hall to keep things together. Everyone who came and went from those rooms, walked by her. Trump was also there and he came late so did not take the virus test. It is easily possible Biden could have gotten it there - IF HE HAS IT.
I hope people here do not do as some Democrats are doing with Trump. Remember, Biden and his wife have family just as Trump and his wife have family. Don't think politics, think life and death.