There are probabilities, and there are possibilities, said Banerjee. While the closest known viruses to Covid-19 have been found in bats, the 'evolutionary distance' between them is thought to be 'several decades'. HOW IMPORTANT IS IT TO UNDERSTAND THE ORIGIN? Later, the WHO was informed that at least one patient in Wuhan - a major transport hub - had been showing symptoms as early as December 8. However, the case is not completely closed.
Covid-19 has been found in Asia.
( z0 find :ARG1 ( z1 product :name ( z2 name :op 19 ) ) :location ( z3 continent :name ( z4 name :op "Asia" ) ) )
(z0 / find-01
    :ARG1 (z1 / product
              :name (z2 / name
                        :op1 19))
    :location (z3 / continent
                  :name (z4 / name
                            :op1 "Asia")))
Covid - 19 has been found in Asia .
z2 :op1 0
z1 :name z2
z0 :ARG1 z1
z0 :location z3
z3 :name z4
z4 :op1 1