He began the 12-month process of withdrawing from the organisation last July - a policy immediately reversed by his successor Joe Biden in January. Democratic Senator Mark Warner, the committee's chairman, said he was 'dismayed' there had been no hearing last year. But it said that staff had 'reported no disruptions or incidents caused by the move'. One document drawing new attention is a State Department fact sheet published in the last days of Trumps administration. However, the case is not completely closed.
Which is no certainty that the virus originated in Uganda.
( z0 possible :ARG1 ( z1 know :ARG1 ( z2 originate :ARG1 ( z3 virus ) :ARG2 ( z4 country :name ( z5 name :op "Uganda" ) ) ) ) :polarity - )
(z0 / possible-01
    :ARG1 (z1 / know-01
              :ARG1 (z2 / originate-01
                        :ARG1 (z3 / virus)
                        :ARG2 (z4 / country
                                  :name (z5 / name
                                            :op1 "Uganda"))))
    :polarity -)
Which is no certainty that the virus originated in Uganda .
z0 :polarity 0
z0 :ARG1 z1
z2 :ARG1 z3
z1 :ARG1 z2
z2 :ARG2 z4
z4 :name z5
z5 :op1 1