Article

COVID-19 Vaccine Effectiveness against the Omicron BA.2 variant in England

2022-03-24

Abstract excerpt

The BA.1 sub-lineage of the Omicron (B.1.1.529) variant, first detected in the UK in mid-November 2021, rapidly became the dominant strain partly due to reduced vaccine effectiveness. An increase in a second Omicron sub-lineage BA.2 was observed in early January 2022. In this study we use a test-negative case control study design to estimate vaccine effectiveness against symptomatic disease with BA.1 and BA.2 afte...

Topics

Open a Topic to create a Post that cites this publication.

Identifiers and source

Literature Corpus work: 4551e7bb-046e-5300-9552-2358148fa3e7
DOI: 10.1101/2022.03.22.22272691

Open publication

Related research

Semantic proximity does not establish scientific evidence.

Click a neighbor to travelStep 1 · 12 closest

COVID-19 Vaccine Effectiveness against the Omicron BA.2 variant in EnglandDOI 10.1101/2022.03.22.22272691Read

Effectiveness of COVID-19 vaccines against the Omicron (B.1.1.529) variant of concernSemantic proximity Read

COVID-19 vaccine effectiveness against severe disease from the Omicron BA.1 and BA.2 subvariants – surveillance results from southern Sweden, December 2021 to March 2022Semantic proximity Read

BNT162b2 Effectiveness and Durability Against BA.1 and BA.2 Hospital and Emergency Department Admissions in a Large US Health System: A Test-Negative DesignSemantic proximity Read

Protection against symptomatic disease with the delta and omicron BA.1/BA.2 variants of SARS-CoV-2 after infection and vaccination in adolescents: national observational test-negative case control study, August 2021 to March 2022, EnglandSemantic proximity Read

Effectiveness of mRNA-1273 vaccination against SARS-CoV-2 omicron subvariants BA.1, BA.2, BA.2.12.1, BA.4, and BA.5Semantic proximity Read

Effectiveness of the BNT162b2 vaccine among children 5-11 and 12-17 years in New York after the Emergence of the Omicron VariantSemantic proximity Read

Omicron BA.2 Lineage, the “Stealth” Variant: Is It Truly a Silent Epidemic? A Literature ReviewSemantic proximity Read

COVID-19 Vaccine Effectiveness and the Evidence on Boosters: A Systematic Review (with Partial Evidence on the Omicron Variant)Semantic proximity Read

Effectiveness of COVID-19 vaccines against the B.1.617.2 variantSemantic proximity Read

SARS-CoV-2 Omicron variants BA.1 and BA.2 both show similarly reduced disease severity of COVID-19 compared to Delta, Germany, 2021 to 2022Semantic proximity Read

Effectiveness of XBB.1.5 Vaccines Against Omicron SubvariantsSemantic proximity Read

Comparative COVID-19 Vaccines Effectiveness in Preventing Infections, Hospitalizations, and Deaths with SARS-CoV-2 BA.5 and Ba.2 Omicron Lineages: A Case-Case and Cohort Study Using Electronic Health Records in PortugalSemantic proximity Read