Background A systematic understanding of how multimorbidity has been constructed and
measured is unavailable. This review aimed to examine the definition and measurement of …

Background General and preventive health checks are a key feature of contemporary policies
of anticipatory care. Ensuring high and equitable uptake of such general health checks is …

Background Use of cardiovascular medication has increased over time, especially for primary
and secondary prevention, with polypharmacy common. Methods Review of published …

Background The BNT162b2 mRNA (Pfizer–BioNTech) and ChAdOx1 nCoV-19 (Oxford–AstraZeneca)
COVID-19 vaccines have shown high efficacy against disease in phase 3 clinical …

Population-level data on COVID-19 vaccine uptake in pregnancy and SARS-CoV-2 infection
outcomes are lacking. We describe COVID-19 vaccine uptake and SARS-CoV-2 infection in …

Reports of ChAdOx1 vaccine–associated thrombocytopenia and vascular adverse events
have led to some countries restricting its use. Using a national prospective cohort, we …

Background Current UK vaccination policy is to offer future COVID-19 booster doses to
individuals at high risk of serious illness from COVID-19, but it is still uncertain which groups of …

… To avoid this complicated step, which can introduce bias in the parameters [\bar{R}] and c,
we … The peak position and area, the size distribution parameters [\bar{R}] and c, and the …

Background Since its emergence in November, 2021, in southern Africa, the SARS-CoV-2
omicron variant of concern (VOC) has rapidly spread across the world. We aimed to …

Background Reports suggest that COVID-19 vaccine effectiveness is decreasing, but whether
this reflects waning or new SARS-CoV-2 variants—especially delta (B.1.617.2)—is unclear…