Background Our understanding of the global scale of Severe Acute Respiratory Syndrome
Coronavirus 2 (SARS-CoV-2) infection remains incomplete: Routine surveillance data …

Introduction Estimating COVID-19 cumulative incidence in Africa remains problematic due to
challenges in contact tracing, routine surveillance systems and laboratory testing capacities …

Background COVID-19 has affected the African region in many ways. We aimed to generate
robust information on the transmission dynamics of COVID-19 in this region since the …

Abstract Globally, excess deaths during 2020–21 outnumbered documented COVID-19
deaths by 9.5 million, primarily driven by deaths in low-and middle-income countries …

Many countries in sub-Saharan Africa have experienced lower COVID-19 caseloads and
fewer deaths than countries in other regions worldwide. Under-reporting of cases and a …

Given high SARS-CoV-2 incidence, coupled with slow and inequitable vaccine roll-out in
many settings, there is a need for evidence to underpin optimum vaccine deployment …

Despite having safe and efficacious vaccines against COVID-19, vaccine hesitancy is
widespread. Although a trusted source of information, vaccine hesitancy has been reported …

Summary Background Sierra Leone's child and maternal mortality rates are among the
highest in the world. However, little is known about the causes of premature mortality in the …

Background Our understanding of the global scale of SARS-CoV-2 infection remains
incomplete: routine surveillance data underestimates infection and cannot infer on …

The COVID-19 pandemic has taken a toll on human life and brought major disruption to
economic activity across the world. Despite a late arrival, the COVID-19 virus has spread …