Effectiveness of mRNA vaccines and waning of protection against SARS-CoV-2 infection and severe covid-19 during predominant circulation of the delta variant in Italy: retrospective cohort study

OBJECTIVES: To estimate the effectiveness of mRNA vaccines against SARS-CoV-2 infection and severe covid-19 at different time after vaccination. DESIGN: Retrospective cohort study. SETTING: Italy, 27 December 2020 to 7 November 2021. PARTICIPANTS: 33 250 344 people aged ≥16 years who received a firs...

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Autores principales: Fabiani, Massimo, Puopolo, Maria, Morciano, Cristina, Spuri, Matteo, Spila Alegiani, Stefania, Filia, Antonietta, D’Ancona, Fortunato, Del Manso, Martina, Riccardo, Flavia, Tallon, Marco, Proietti, Valeria, Sacco, Chiara, Massari, Marco, Da Cas, Roberto, Mateo-Urdiales, Alberto, Siddu, Andrea, Battilomo, Serena, Bella, Antonino, Palamara, Anna Teresa, Popoli, Patrizia, Brusaferro, Silvio, Rezza, Giovanni, Menniti Ippolito, Francesca, Pezzotti, Patrizio, Boros, Stefano, Rota, Maria Cristina, Bressi, Marco, Vescio, Maria Fenicia, Petrone, Daniele, Di Benedetto, Corrado, Ciervo, Alessandra, Stefanelli, Paola, Petrucci, Antonia, La Bianca, Michele, Mignuoli, Anna Domenica, Buono, Pietro, Massimiliani, Erika, Barbone, Fabio, Vairo, Francesco, Sticchi, Camilla, Cereda, Danilo, Di Furia, Lucia, Sforza, Francesco, Bassot, Annamaria, Benetollo, Pier Paolo, Pasqualini, Chiara, Bisceglia, Lucia, Palmas, Maria Antonietta, Scondotto, Salvatore, Balocchini, Emanuela, Tosti, Anna, Ruffier, Mauro, Da Re, Filippo, Odio, Camillo, Recine, Michele, Ruberto, Innocenza, Bisogno, Salvatore Ascione, Massimo, Miserendino, Gandolfo, Navacchia, Massimiliano, Del Frate, Beatrice, Cau, Emanuela, Baiocchi, Diego, Fusco, Danilo, Gallo, Domenico, Marchetti, Maria Rosa, Spazzafumo, Liana, Malatesta, Raffaele, Fanolla, Antonio, Conforti, Diego, Trentini, Carlo, Ruggeri, Antonino, Ladalardo, Concetta, Albano, Nehludoff, Corona, Marco, Lombardi, Paolo, Iacono, Massimo, Angori, Paolo Bruno, Belardinelli, Andrea, Solfiti, Milena, Fioraso, Stefano, Poma, Chiara, Raccanello, Nadia
Formato: Online Artículo Texto
Lenguaje:English
Publicado: BMJ Publishing Group Ltd. 2022
Materias:
Research
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8829820/
https://www.ncbi.nlm.nih.gov/pubmed/35144968
http://dx.doi.org/10.1136/bmj-2021-069052

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