Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has caused millions of
deaths and substantial morbidity worldwide. Intense scientific effort to understand the …

The emergence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) caused
substantial global morbidity and deaths, leading governments to turn to non-pharmaceutical …

Abstract The World Health Organization has a mandate to compile and disseminate statistics
on mortality, and we have been tracking the progression of the COVID-19 pandemic since …

Background The first COVID-19 vaccine outside a clinical trial setting was administered on
Dec 8, 2020. To ensure global vaccine equity, vaccine targets were set by the COVID-19 …

Abstract The Global Burden of Disease Study (GBD) began 30 years ago with the goal of
providing timely, valid and relevant assessments of critical health outcomes. Over this …

Background Nirmatrelvir–ritonavir has been authorized for emergency use by many
countries for the treatment of coronavirus disease 2019 (Covid-19). However, the supply …

Background Understanding the level and characteristics of protection from past SARS-CoV-
2 infection against subsequent re-infection, symptomatic COVID-19 disease, and severe …

Despite notable scientific and medical advances, broader political, socioeconomic and
behavioural factors continue to undercut the response to the COVID-19 pandemic 1, 2. Here …

Background The COVID-19 pandemic highlighted gaps in health surveillance systems,
disease prevention, and treatment globally. Among the many factors that might have led to …

The rapid emergence of the B. 1.1. 529 (Omicron) variant of SARS-CoV-2 led to a global
resurgence of coronavirus disease 2019 (COVID-19). Israeli authorities approved a fourth …