Background The efficacy of SARS-CoV-2 vaccines in preventing severe COVID-19 illness
and death is uncertain due to the rarity of data in individual trials. How well the antibody …

The coronavirus disease 2019 (COVID-19) pandemic has threatened global health and
prompted the need for mass vaccination. We aimed to assess the efficacy and effectiveness …

Objective: The presented meta-analysis (MA) aims at identifying the vaccine safety and
immunogenicity in published trials about SARS-CoV-2 vaccines. Methods: All relevant …

Objective To compare the efficacy of covid-19 vaccines between immunocompromised and
immunocompetent people. Design Systematic review and meta-analysis. Data sources …

The novel coronavirus, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2),
has caused more than 1 million deaths in the first 6 months of the pandemic and huge …

Vaccine protection from symptomatic SARS-CoV-2 infection has been shown to be strongly
correlated with neutralising antibody titres; however, this has not yet been demonstrated for …

Summary Background CoV2 preS dTM is a stabilised pre-fusion spike protein vaccine
produced in a baculovirus expression system being developed against SARS-CoV-2. We …

Background With the unprecedented morbidity and mortality associated with the COVID-19
pandemic, a vaccine against COVID-19 is urgently needed. We investigated CoronaVac …

Background: There are no studies providing head-to-head comparison across SARS-CoV-2
vaccines. Therefore, we compared the efficacy of candidate vaccines in inducing …

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 …