Background The global surge in the omicron (B.1.1.529) variant has resulted in many
individuals with hybrid immunity (immunity developed through a combination of SARS-CoV-2 …

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

As the initial phase of the COVID-19 pandemic passes its peak in many countries, serological
studies are becoming increasingly important in guiding public health responses. Antibody …

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

… Papenburg14, David Buckeridge13,15, Niklas Bobrovitz12,16†, Rahul K Arora2, 17†,
Maria D van Kerkhove1† and the Unity Study Collaborator … Bobrovitz N, Arora RK, Cao C …

The spatial organization of the tumor microenvironment has a profound impact on biology
and therapy response. Here, we perform an integrative single-cell and spatial transcriptomic …

Population-level immune surveillance, which includes monitoring exposure and assessing
vaccine-induced immunity, is a crucial component of public health decision-making during a …

Background We aimed to systematically review the magnitude and duration of the protective
effectiveness of prior infection (PE) and hybrid immunity (HE) against Omicron infection and …

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

The COVID‐19 pandemic caught the world largely unprepared, including scientific and policy
communities. On April 10–13, 2022, researchers across academia, industry, government, …