Background The development and widespread use of an effective SARS-CoV-2 vaccine
could prevent substantial morbidity and mortality associated with COVID-19 and mitigate the …

Background Multiple Coronavirus Disease 2019 (COVID-19) vaccines appear to be safe
and efficacious, but only high-income countries have the resources to procure sufficient …

Background How best to prioritise COVID-19 vaccination within and between countries has
been a public health and an ethical challenge for decision-makers globally. We reviewed …

Summary Background Countries in the World Health Organization (WHO) European Region
differ in terms of the COVID-19 vaccine supply conditions. We evaluated the health and …

Initial supply of the coronavirus disease (COVID-19) vaccine may be limited, necessitating
its effective use. Herein, an age-structured model of COVID-19 spread in South Korea is …

The worldwide endeavour to develop safe and effective COVID-19 vaccines has been
extraordinary, and vaccination is now underway in many countries. However, the doses …

Given the scarcity of safe and effective COVID-19 vaccines, a chief policy question is how to
allocate them among different sociodemographic groups. This paper evaluates COVID-19 …

Background During the COVID-19 pandemic, authorities must decide which groups to
prioritise for vaccination in a shifting social–epidemiological landscape in which the success …

Most COVID-19 vaccines require two doses, however with limited vaccine supply,
policymakers are considering single-dose vaccination as an alternative strategy. Using a …

Background The roll-out of COVID-19 vaccines is a multi-faceted challenge whose
performance depends on pace of vaccination, vaccine characteristics and heterogeneities in …