TORONTO – The threat posed by Omicron is frightening. The new variant has created a climate of great concern in the international scientific community, although at the moment there is no unequivocal assessment of this new threat. On the one hand, in fact, we have numerous virologists who have highlighted how the first data coming from South Africa and Europe have highlighted a greater transmissibility of the coronavirus and, at the same time, the presence of generally milder symptoms for the infected compared to the Delta strain and the other variants that have characterized this pandemic.  →