COVID-19 has been spreading worldwide since late 2019. There is no definitive cure to
date. Global vaccination programs are urgently required to confer herd immunity, reducing …

Vaccination against severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) is a
crucial step in ending the current worldwide pandemic. However, several particularly …

Observational studies are needed to demonstrate real-world vaccine effectiveness (VE)
against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outcomes. Our …

Several population groups display an increased risk of severe disease and mortality
following SARS-CoV-2 infection. These include those who are immunocompromised (IC) …

The world has entered the second wave of the COVID-19 pandemic, and its intensity is
significantly higher than that of the first wave of early 2020. Many countries or regions have …

Introduction Several vaccines against severe acute respiratory syndrome coronavirus 2
(SARS-CoV-2) have been developed since the inception of the coronavirus disease 2019 …

Vaccination is the most effective and feasible way to contain the Coronavirus disease 2019
(COVID-19) pandemic. The rapid development of effective COVID-19 vaccines is an …

Introduction: Many potential vaccines for COVID-19 are being studied and developed.
Several studies have reported on the safety and efficacy of these vaccines. This systematic …

The emergence of SARS-CoV-2 has led to the infection of many people across the globe,
over six million deaths, and has placed an unprecedented burden on public health …

The development of COVID-19 vaccines is occurring at a rapid pace, with the potential for a
vaccine to be available within 6 months. So who should be prioritized for vaccination when …