According to the surveillance network Influnet, as writes the Corriere della Serain the week from 21 to 28 November, the last of which certain updates are available, the incidence of flu-like syndromes, caused by a mixture of respiratory viruses, made a decisive leap forward. It has gone from 9.5 cases per thousand inhabitants to 12.9. More than 2.5 million have contracted the infection since the start of the season
