Effectiveness of the pre-Omicron COVID-19 vaccines against Omicron in reducing infection, hospitalization, severity, and mortality compared to Delta and other …
P Paul, A El-Naas, O Hamad, MA Salameh… - Human Vaccines & …, 2023 - Taylor & Francis
Despite widespread mass rollout programs, the rapid spread of the SARS-CoV-2 Omicron
variant called into question the effectiveness of the existing vaccines against infection …
variant called into question the effectiveness of the existing vaccines against infection …
[HTML][HTML] A systematic review and meta-analysis on the real-world effectiveness of COVID-19 vaccines against infection, symptomatic and severe COVID-19 disease …
H Mohammed, DD Pham-Tran, ZYM Yeoh, B Wang… - Vaccines, 2023 - mdpi.com
Real-world data on the effectiveness of COVID-19 vaccines against the Omicron variant (B.
1.1. 529) is limited. This systematic review aimed to investigate the real-world effectiveness …
1.1. 529) is limited. This systematic review aimed to investigate the real-world effectiveness …
Immunogenicity, clinical efficacy and safety of additional second COVID‐19 booster vaccines against Omicron and its subvariants: A systematic review
S Chenchula, MB Chandra… - Reviews in Medical …, 2024 - Wiley Online Library
The Omicron variant of severe acute respiratory syndrome coronavirus 2 is a new variant of
concern (VOC) and an emerging subvariant that exhibits heightened infectivity …
concern (VOC) and an emerging subvariant that exhibits heightened infectivity …
Effectiveness of vaccination against SARS-CoV-2 Omicron variant infection, symptomatic disease, and hospitalization: A systematic review and meta-analysis
A Meggiolaro, M Sane Schepisi, S Farina… - Expert Review of …, 2022 - Taylor & Francis
Background This meta-analysis aims to assess the effectiveness of the current Sars-Cov2
vaccine regimens against Omicron infection. A secondary endpoint aims to investigate the …
vaccine regimens against Omicron infection. A secondary endpoint aims to investigate the …
Current evidence on efficacy of COVID‐19 booster dose vaccination against the Omicron variant: A systematic review
S Chenchula, P Karunakaran… - Journal of medical …, 2022 - Wiley Online Library
Abstract Coronavirus disease 2019 (COVID‐19) is an ongoing pandemic, which affected
around 45 million confirmed cases of COVID‐19, including more than 6 million deaths …
around 45 million confirmed cases of COVID‐19, including more than 6 million deaths …
[HTML][HTML] The vaccine efficacy against the SARS-CoV-2 omicron: a systemic review and meta-analysis
Y Zou, D Huang, Q Jiang, Y Guo, C Chen - Frontiers in public health, 2022 - frontiersin.org
Background COVID-19 is a respiratory illness caused by SARS-CoV-2. The most recent
variant is Omicron (line B. 1.1. 529), which was first identified in South Africa in November …
variant is Omicron (line B. 1.1. 529), which was first identified in South Africa in November …
[HTML][HTML] Effectiveness of COVID-19 vaccines against Omicron and Delta hospitalisation, a test negative case-control study
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 …
mild disease with rapid waning. Meanwhile Omicron has also been associated with milder …
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 …
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 …
since December 2019 due to the high number of infections and deaths caused by COVID …
[HTML][HTML] Effectiveness of SARS-CoV-2 vaccines against Omicron infection and severe events: a systematic review and meta-analysis of test-negative design studies
Background A rapidly growing body was observed of literature evaluating the vaccine
effectiveness (VE) against Omicron in test-negative design studies. Methods We …
effectiveness (VE) against Omicron in test-negative design studies. Methods We …