On the Omicron variant of Covid, whose symptoms seem mild at the moment, “it will take two weeks to find out more. In my opinion the situation is not so devastating to date but we must take care in the sense of foreseeing the worst case scenario to equip ourselves for the better from the point of view of tracing, identification and deepening “. So at Adnkronos Salute the virologist Fabrizio Pregliasco, professor at the University of Milan. “The data to date tell us that Omicron is more contagious, yes, but – underlines the expert – perhaps the cases are not even so heavy, according to those identified to date. However – recalls Pregliasco – they are vaccinated and this is the ‘element that remains as a doubt “.