Covid, no scientific basis for the third generalized dose

* Member of the American Academy of Microbiology and ** Full Professor of Infectious Diseases, Catholic University, Rome

A few days ago the United Kingdom decided to embrace the idea of ​​the third dose and revaccinate all people over 50 with the Cominarty vaccine (Pfizer-BionTech), in addition to proceeding with the primary vaccination in adolescents aged 12 to 16, what , the latter, which he had excluded until the day before because there was a lack of data on the risk / benefit ratio of the vaccine in this age group.