Background Up-to-date evidence about levels and trends in disease and injury incidence,
prevalence, and years lived with disability (YLDs) is an essential input into global, regional …

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 …

Vertical Transmission of Hepatitis C Virus: Systematic Review and Meta-analysis | Clinical
Infectious Diseases | Oxford Academic Skip to Main Content Advertisement Oxford Academic …

Background Non-fatal outcomes of disease and injury increasingly detract from the ability of
the world's population to live in full health, a trend largely attributable to an epidemiological …

Background As mortality rates decline, life expectancy increases, and populations age, non-
fatal outcomes of diseases and injuries are becoming a larger component of the global …

Summary Background The Global Burden of Diseases, Injuries, and Risk Factors Study
2015 provides an up-to-date synthesis of the evidence for risk factor exposure and the …

Background Improving survival and extending the longevity of life for all populations
requires timely, robust evidence on local mortality levels and trends. The Global Burden of …

Summary Background The Global Burden of Disease Study 2013 (GBD 2013) aims to bring
together all available epidemiological data using a coherent measurement framework …

Background Waning of vaccine protection against severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2) infection or coronavirus disease 2019 (Covid-19) is a concern …

Efficacy of the BNT162b2 mRNA Vaccine in Qatar As of March 31, 2021, more than 265,000
people in Qatar had received both doses of the BNT162b2 vaccine. Viral sequencing …