Background Safe and effective vaccination is considered to be the most critical strategy to
fight coronavirus disease 2019 (COVID-19), leading to individual and herd immunity …

Following primary SARS-CoV-2 vaccination, whether boosters or breakthrough infections
provide greater protection against SARS-CoV-2 infection is incompletely understood. Here …

Objective The COVID‐19 vaccination strategy has been widely used to protect population
health worldwide. This study aims to summarize the cost‐effectiveness evidence of …

Abstract Background and Aim Understanding the prevalence and impact of SARS‐CoV‐2
variants has assumed paramount importance. This study statistically analyzed to effectively …

Objectives This study aims to estimate the levels of COVID-19 vaccine hesitancy in 53 low-
income and middle-income countries, differences across population groups in hesitancy …

This paper presents new evidence on the levels and trends of vaccine hesitancy in
developing countries based on harmonized high frequency phone surveys (HFPS) from over …

All health systems must set priorities. Evidence-informed priority-setting (EIPS) is a specific
form of systematic priority-setting which involves explicit consideration of evidence to …

The launch of the COVID-19 vaccination program was the largest vaccination campaign in
US history, with an unprecedented demand for vaccine and new vaccination providers …

While safe and efficacious COVID-19 vaccines have achieved high coverage in high-income
settings, roll-out remains slow in sub-Saharan Africa. By April 2022, Nigeria, a country of …

Introduction Since September 2020, Chinese populations aged> 3 years have been
encouraged to receive a two-dose inoculation with vaccines against coronavirus disease …