The Covid virus ‘escaped’ from a Wuhan laboratory? “I would say that it is still an absolutely plausible hypothesis” said Francesco Zambon, former WHO researcher, to the microphones of A sheep’s day on Rai Radio1. “It is not a hypothesis rejected by the WHO – explains Zambon – it is one of the four hypotheses that still remain in the field. After the last mission in China, this hypothesis is considered by the WHO as ‘highly unlikely’, but it is not excluded. We know that in Wuhan there are many laboratories that also study Coronaviruses “. For the researcher, however, “the most plausible remains that of a spillover from the bat towards an intermediate animal that has come down to us. And it is not the hypothesis that leaves us calmer, indeed paradoxically it would leave us calmer to know that it is a virus that came out of a laboratory because there are many viruses ready to attack humans with a spillover, especially Coronavirus “.