Background Novel mRNA-based vaccines have been used to protect against SARS-CoV-2,
especially in vulnerable populations who also receive an annual influenza vaccination. The …

This systematic review and meta-analysis was conducted to compare the safety and efficacy
of 2019 novel coronavirus disease (COVID-19) vaccines according to vaccine platform and …

Importance Assessing booster effectiveness of COVID-19 mRNA vaccine and inactivated
SARS-CoV-2 vaccine over longer time intervals and in response to any further SARS-CoV-2 …

Background Knowing whether COVID-19 vaccine effectiveness wanes is crucial for
informing vaccine policy, such as the need for and timing of booster doses. We aimed to …

Background In late 2022, the SARS-CoV-2 omicron (B. 1.1. 529) BA. 5 sublineage
accounted for most of the sequenced viral genomes worldwide. Bivalent mRNA vaccines …

The lifting of non-pharmaceutical measures preventing transmission of SARS-CoV-2 (and
other viruses, including influenza viruses) raises concerns about healthcare resources and …

Background Concomitant administration of COVID-19 and influenza vaccines could reduce
burden on health-care systems. We aimed to assess the safety of concomitant administration …

Background COVID-19 vaccines reduce morbidity and mortality, but mass vaccination faces
multiple challenges leading to different vaccination rates in different countries. Malta, a small …

Background Although effective mRNA vaccines for SARS-CoV-2 infection have been
deployed worldwide, their interchangeability could facilitate the scale-up of vaccination …

Background The safety and immunogenicity profile of COVID-19 vaccines when
administered concomitantly with seasonal influenza vaccines have not yet been reported …