"More than two hundred thousand people died in the last six months ... So many lives have been lost, because the only thing that worries the president is the stock markets and elections," RIA Novosti quoted Biden as saying.
According to him, Trump is not even trying to pretend that he is doing his job.
He added that Donald Trump does not understand what it means to be president.
Earlier, Donald Trump urged to test the candidate for the post of head of state Joe Biden for drugs.