Covid-19 vaccine effectiveness against the Omicron (B. 1.1. 529) variant
Background A rapid increase in coronavirus disease 2019 (Covid-19) cases due to the
omicron (B. 1.1. 529) variant of severe acute respiratory syndrome coronavirus 2 in highly …
omicron (B. 1.1. 529) variant of severe acute respiratory syndrome coronavirus 2 in highly …
Effectiveness of COVID-19 vaccines against the Omicron (B. 1.1. 529) variant of concern
Background A rapid increase in cases due to the SARS-CoV-2 Omicron (B. 1.1. 529) variant
in highly vaccinated populations has raised concerns about the effectiveness of current …
in highly vaccinated populations has raised concerns about the effectiveness of current …
Effectiveness of Covid-19 vaccines against the B. 1.617. 2 (Delta) variant
J Lopez Bernal, N Andrews, C Gower… - … England Journal of …, 2021 - Mass Medical Soc
Abstract Background The B. 1.617. 2 (delta) variant of the severe acute respiratory syndrome
coronavirus 2 (SARS-CoV-2), the virus that causes coronavirus disease 2019 (Covid-19) …
coronavirus 2 (SARS-CoV-2), the virus that causes coronavirus disease 2019 (Covid-19) …
Effects of previous infection and vaccination on symptomatic omicron infections
Background The protection conferred by natural immunity, vaccination, and both against
symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection with …
symptomatic severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection with …
Effect of Covid-19 vaccination on transmission of alpha and delta variants
DW Eyre, D Taylor, M Purver, D Chapman… - … England Journal of …, 2022 - Mass Medical Soc
Background Before the emergence of the B. 1.617. 2 (delta) variant of severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2), vaccination reduced transmission of …
respiratory syndrome coronavirus 2 (SARS-CoV-2), vaccination reduced transmission of …
COVID-19 vaccine effectiveness against the omicron (BA. 2) variant in England
The omicron (B. 1.1. 529) variant, first detected in the UK on Nov 27, 2021, rapidly became
the dominant strain, due in part to reduced vaccine effectiveness. 1 An increase in …
the dominant strain, due in part to reduced vaccine effectiveness. 1 An increase in …
Real-world COVID-19 vaccine effectiveness against the Omicron BA. 2 variant in a SARS-CoV-2 infection-naive population
Abstract The SARS-CoV-2 Omicron variant has demonstrated enhanced transmissibility and
escape of vaccine-derived immunity. Although first-generation vaccines remain effective …
escape of vaccine-derived immunity. Although first-generation vaccines remain effective …
Duration of protection against mild and severe disease by Covid-19 vaccines
Background Vaccines against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-
2), the virus that causes coronavirus disease 2019 (Covid-19), have been used since …
2), the virus that causes coronavirus disease 2019 (Covid-19), have been used since …
Effectiveness of BNT162b2 vaccine against omicron in children 5 to 11 years of age
Background Since it was first identified in early November 2021, the B. 1.1. 529 (omicron)
variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread …
variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has spread …
Efficacy of the ChAdOx1 nCoV-19 Covid-19 vaccine against the B. 1.351 variant
Background Assessment of the safety and efficacy of vaccines against the severe acute
respiratory syndrome coronavirus 2 (SARS-CoV-2) in different populations is essential, as is …
respiratory syndrome coronavirus 2 (SARS-CoV-2) in different populations is essential, as is …