COVID-19 origin tracing for political purposes bound to hit dead end

COVID-19 origin tracing for political purposes is bound to hit dead end. (Caricature by Lei Yuzhu)

(ECNS) -- The COVID-19 origin tracing has always been a matter of science, yet some U.S. politicians keep stirring up trouble, which will not only make it hard to find the origin of the virus, but also undermine the international cooperation in the fight against the pandemic. Politicizing COVID-19 origin tracing is bound to hit an dead end.