Effectiveness of COVID-19 vaccines against SARS-CoV-2 variants of concern in real-world: a literature review and meta-analysis

W Shao, X Chen, C Zheng, H Liu, G Wang… - Emerging Microbes & …, 2022 - Taylor & Francis
Knowing vaccine effectiveness (VE) against variants of concern (VOCs) in the real-world
setting is essential for public health decision-making. A systematic landscape of the VE …

[HTML][HTML] Facing the Omicron variant—how well do vaccines protect against mild and severe COVID-19? Third interim analysis of a living systematic review

W Külper-Schiek, V Piechotta, A Pilic, M Batke… - Frontiers in …, 2022 - frontiersin.org
Background The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron
variant is currently the dominant variant globally. This third interim analysis of a living …

Expert review of global real-world data on COVID-19 vaccine booster effectiveness and safety during the omicron-dominant phase of the pandemic

R Solante, C Alvarez-Moreno, E Burhan… - Expert review of …, 2023 - Taylor & Francis
Introduction COVID-19 vaccines have been highly effective in reducing morbidity and
mortality during the pandemic. However, the emergence of the Omicron variant and …

[HTML][HTML] Role of previous infection with SARS-CoV-2 in protecting against omicron reinfections and severe complications of COVID-19 compared to pre-omicron …

M Arabi, Y Al-Najjar, O Sharma, I Kamal, A Javed… - BMC Infectious …, 2023 - Springer
Abstract Background The SARS-CoV-2 virus elicited a major public concern worldwide
since December 2019 due to the high number of infections and deaths caused by COVID …

[HTML][HTML] Early estimates of updated 2023–2024 (monovalent XBB. 1.5) COVID-19 vaccine effectiveness against symptomatic SARS-CoV-2 infection attributable to co …

R Link-Gelles - MMWR. Morbidity and Mortality Weekly Report, 2024 - cdc.gov
Abstract On September 12, 2023, CDC's Advisory Committee on Immunization Practices
recommended updated 2023–2024 (updated) COVID-19 vaccination with a monovalent …

[HTML][HTML] Effectiveness of inactivated and Ad5-nCoV COVID-19 vaccines against SARS-CoV-2 Omicron BA. 2 variant infection, severe illness, and death

Z Huang, S Xu, J Liu, L Wu, J Qiu, N Wang, J Ren, Z Li… - BMC medicine, 2022 - Springer
Background Limited data are available on the effectiveness of inactivated and Ad5-nCoV
COVID-19 vaccines in real-world use—especially against Omicron variants in SARS-CoV-2 …

Risk of hospitalisation associated with infection with SARS-CoV-2 omicron variant versus delta variant in Denmark: an observational cohort study

P Bager, J Wohlfahrt, S Bhatt, M Stegger… - The Lancet infectious …, 2022 - thelancet.com
Background Estimates of the severity of the SARS-CoV-2 omicron variant (B. 1.1. 529) are
crucial to assess the public health impact associated with its rapid global dissemination. We …

[HTML][HTML] Long-term effectiveness of COVID-19 vaccines against infections, hospitalisations, and mortality in adults: findings from a rapid living systematic evidence …

N Wu, K Joyal-Desmarais, PAB Ribeiro… - The Lancet …, 2023 - thelancet.com
Background Synthesising evidence on the long-term vaccine effectiveness of COVID-19
vaccines (BNT162b2 [Pfizer–BioNTech], mRNA-1273 [Moderna], ChAdOx1 nCoV-19 …

[HTML][HTML] Effectiveness of COVID-19 vaccines against Omicron and Delta hospitalisation, a test negative case-control study

J Stowe, N Andrews, F Kirsebom, M Ramsay… - Nature …, 2022 - nature.com
The Omicron variant has been associated with reduced vaccine effectiveness (VE) against
mild disease with rapid waning. Meanwhile Omicron has also been associated with milder …

[HTML][HTML] Association of COVID-19 vaccination and clinical severity of patients infected with Delta or Omicron variants—China, May 21, 2021–February 28, 2022

M Li, Q Liu, D Wu, L Tang, X Wang, T Yan, Z An… - China CDC …, 2022 - ncbi.nlm.nih.gov
Compared with the international mRNA and adenovirus-vectored coronavirus disease 2019
(COVID-19) vaccines, there is less real-world research data about breakthrough cases in …