ABSTRACT The Italian Ministry of Health recommended the administration of the bivalent
second booster dose of the new available mRNA COVID-19 vaccine for subjects aged 60 y …

This cross-sectional survey explored the attitudes and the reasons, as well their associated
factors, for receiving the second booster dose of the COVID-19 vaccine among a sample of …

Several countries started a 2nd booster COVID-19 vaccination campaign targeting the
elderly population, but evidence around its effectiveness is still scarce. This study aims to …

This cross-sectional study, conducted in Naples (Italy) between 16 November and 6
December 2021, explored the willingness to receive the booster dose of the COVID-19 …

Background: We analyzed coronavirus disease 2019 (COVID-19) vaccine efficacy in older
persons who received the second booster compared to unvaccinated people and those …

Background The coronavirus disease 2019 (COVID-19) pandemic caused by severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) is evolving, the newly emerged Omicron …

Background The waning of the protective effect of COVID-19 vaccines and timing of booster
doses are debated. Methods Population-based cohort study in the largest Health-Authority …

We carried out a cohort study on the overall population of the province of Pescara, Italy, to
assess the real-world effectiveness of SARS-CoV-2 vaccination against infection, severe, or …

Methods We conducted a retrospective sero-epidemiological survey of already existing data
concerning the antibody response of a HCWs sample vaccinated with the primary cycle and …

The aim of our study was to assess the immunogenicity of the third dose of the BNT162b2
mRNA COVID-19 vaccine (Comirnaty) in a cohort of 129 health-care workers in Greece …