escaped from such a facilitywandering off the topic of the coronavirus trump also used the white house briefing to take a swipe at presumed democratic presidential nominee joe biden and his long record on china as a senator and former vice presidentwhile stressing his own confrontational trade policies toward china trump using his nickname sleepy joe for his rival said if biden wins the white house that china and other countries will take our countrytrump also again cast doubt on chinas death toll which was revised up on friday china said 1300 people who died of the coronavirus in wuhan half the total were not counted but dismissed allegations of a coverupthe united states has by far the worlds largest number of confirmed coronavirus cases with more than 720000 infections and over 37000 deathseven dr deborah birx coordinator of the white house coronavirus task force who has steered clear of political aspects of trumps contentions briefings questioned chinas datashowing on a chart that chinas death rate per 100000 people was far below major european countries and the united states she called chinas numbers unrealistic and said it had a moral obligation to provide credible information