Effectiveness of BNT162b2 vaccine against SARS-CoV-2 infection and severe COVID-19 in children aged 5–11 years in Italy: a retrospective analysis of January–April, 2022

Chiara Sacco, Martina Del Manso, Alberto Mateo‐Urdiales, +14

The Lancet

VaccinationVaccine SafetyBnt162b2 VaccineSars-cov-2 InfectionMedicine +9

Impact of tiered restrictions on human activities and the epidemiology of the second wave of COVID-19 in Italy

Mattia Manica, Giorgio Guzzetta, Flavia Riccardo, +17

Nature Communications

Reduction of the risk of severe COVID-19 due to Omicron compared to Delta variant in Italy (November 2021 – February 2022)

Daniele Petrone, Alberto Mateo‐Urdiales, Chiara Sacco, +11

International Journal of Infectious Diseases

Tracking the progressive spread of the SARS-CoV-2 Omicron variant in Italy, December 2021 to January 2022

Paola Stefanelli, Filippo Trentini, Daniele Petrone, +20

Eurosurveillance

Estimating averted COVID-19 cases, hospitalisations, intensive care unit admissions and deaths by COVID-19 vaccination, Italy, January−September 2021

Chiara Sacco, Alberto Mateo‐Urdiales, Daniele Petrone, +8

Eurosurveillance

Covid-19 EpidemiologyVaccine HesitancyCovid-19Preventive MedicineVaccine Surveillance +21

Rapid increase in neuroinvasive West Nile virus infections in humans, Italy, July 2022

Flavia Riccardo, Antonino Bella, Federica Monaco, +21

Eurosurveillance

Virus EpidemiologyDisease OutbreakInfectious Disease ControlVector-borne PathogenVector Borne Disease +18

Relative effectiveness of monovalent and bivalent mRNA boosters in preventing severe COVID-19 due to omicron BA.5 infection up to 4 months post-administration in people aged 60 years or older in Italy: a retrospective matched cohort study

Alberto Mateo‐Urdiales, Chiara Sacco, Emmanouil Alexandros Fotakis, +14

The Lancet Infectious Diseases

VaccinationViral PersistenceCovid-19 PandemicBivalent Mrna BoostersVaccine Efficacy +8

Risk and protective factors for SARS-CoV-2 reinfections, surveillance data, Italy, August 2021 to March 2022

Chiara Sacco, Daniele Petrone, Martina Del Manso, +7

Eurosurveillance

Virus EpidemiologySars-cov-2 ReinfectionsCovid-19 EpidemiologySurveillance DataCovid-19 +14

Protection against severe COVID-19 after second booster dose of adapted bivalent (original/Omicron BA.4-5) mRNA vaccine in persons ≥ 60 years, by time since infection, Italy, 12 September to 11 December 2022

Massimo Fabiani, Alberto Mateo‐Urdiales, Chiara Sacco, +14

Eurosurveillance

Latest InfectionImmunologyCovid-19Vaccine SurveillanceSecond Booster Dose +15

Relative effectiveness of bivalent Original/Omicron BA.4-5 mRNA vaccine in preventing severe COVID-19 in persons 60 years and above during SARS-CoV-2 Omicron XBB.1.5 and other XBB sublineages circulation, Italy, April to June 2023

Massimo Fabiani, Alberto Mateo‐Urdiales, Chiara Sacco, +12

Eurosurveillance

ImmunologyImmunodominancePersons 60Covid-19Influenza Vaccines +18