Summary Background The SARS-CoV-2 delta (B. 1.617. 2) variant was first detected in
England in March, 2021. It has since rapidly become the predominant lineage, owing to high …

Summary Background In May, 2021, the delta (B. 1.617. 2) SARS-CoV-2 variant became
dominant in the UK, superseded by the omicron (B. 1.1. 529) variant in December, 2021 …

Increased hospitalisation risk with SARS-CoV-2 delta (B. 1.617. 2) variant infection
compared with alpha (B. 1.1. 7) variant infection in unvaccinated people was reported by …

Abstract The Delta (B. 1.617. 2) variant was the predominant UK circulating SARS-CoV-2
strain between May and December 2021. How Delta infection compares with previous …

Importance The Delta variant is now the predominant circulating SARS-CoV-2 strain
worldwide. Severity of illness in persons infected with the SARS-CoV-2 Delta variant …

Background The emerging SARS-CoV-2 variant of concern (VOC) B. 1.6. 17.2 (Delta)
quickly displaced the B. 1.1. 7 (Alpha) and is associated with increases in COVID-19 cases …

Summary Background The SARS-CoV-2 delta (B. 1.617. 2) variant is highly transmissible
and spreading globally, including in populations with high vaccination rates. We aimed to …

Summary Background The SARS-CoV-2 Delta variant (B. 1.617. 2), first detected in India,
has rapidly become the dominant variant in England. Early reports suggest this variant has …

Objectives To estimate the risk of hospitalization among reported cases of the Delta variant
of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) compared with the Alpha …

Background Since its emergence in Autumn 2020, the SARS-CoV-2 Variant of Concern
(VOC) B. 1.1. 7 (WHO label Alpha) rapidly became the dominant lineage across much of …