WHO works with Italy to retest samples of Covid-19 study to find its origin

Countries including the US, Spain and Brazil, which reported the early evidence of COVID-19 before December 2019 should also cooperate with the WHO on coronavirus origins study, the immunologist said.

The Chinese Foreign Ministry has called on the US to cooperate with the WHO based on transparency and openness, and to invite international scientists to visit the Fort Detrick lab for investigation.