The different characteristics of the proteina Spike, the one with which the virus attaches itself to human cells, found in Omicron’s mutations are the reason why immunity has not yet been fully acquired. Moreover, he had always said Pregliasco a few days ago to Agora on Rai Tre, the number of Covid cases we see “is underestimated, the real ones are at least double or even something more, depending on how many swabs are done”
