[HTML][HTML] Assessing vaccine effectiveness against severe COVID-19 disease caused by omicron variant. Report from a meeting of the World Health Organization
Vaccine effectiveness is lower and wanes faster against infection and symptomatic disease
caused by the omicron variant of SARS-CoV-2 than was observed with previous variants …
caused by the omicron variant of SARS-CoV-2 than was observed with previous variants …
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 …
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 …
Early estimates of SARS-CoV-2 Omicron variant severity based on a matched cohort study, Ontario, Canada
While it is now evident that Omicron is rapidly replacing Delta, due to a combination of
increased transmissibility and immune escape, it is less clear how the severity of Omicron …
increased transmissibility and immune escape, it is less clear how the severity of Omicron …
Assessing COVID-19 vaccine effectiveness against Omicron subvariants: Report from a meeting of the World Health Organization
Emerging in November 2021, the SARS-CoV-2 Omicron variant of concern exhibited
marked immune evasion resulting in reduced vaccine effectiveness against SARS-CoV-2 …
marked immune evasion resulting in reduced vaccine effectiveness against SARS-CoV-2 …
Risk of hospitalisation associated with infection with SARS-CoV-2 omicron variant versus delta variant in Denmark: an observational cohort study
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 …
crucial to assess the public health impact associated with its rapid global dissemination. We …
Estimated effectiveness of COVID-19 vaccines against Omicron or Delta symptomatic infection and severe outcomes
Importance The incidence of SARS-CoV-2 infection, including among individuals who have
received 2 doses of COVID-19 vaccine, increased substantially following the emergence of …
received 2 doses of COVID-19 vaccine, increased substantially following the emergence of …
Comparing hybrid and regular COVID-19 vaccine-induced immunity against the Omicron epidemic
Evidence on the effectiveness of COVID-19 vaccines among people who recovered from a
previous SARS-CoV-2 infection is warranted to inform vaccination recommendations. Using …
previous SARS-CoV-2 infection is warranted to inform vaccination recommendations. Using …
Emerging evidence on Omicron (B. 1.1. 529) SARS‐CoV‐2 variant
COVID's Omicron variant has sparked a slew of concerns across the globe. This review aims
to provide a brief overview of what we know about the Omicron variant right now. The new …
to provide a brief overview of what we know about the Omicron variant right now. The new …
Estimation of vaccine effectiveness of CoronaVac and BNT162b2 against severe outcomes over time among patients with SARS-CoV-2 omicron
Importance Few studies have evaluated the waning of vaccine effectiveness against severe
outcomes caused by SARS-CoV-2 Omicron infection. Hong Kong is providing inactivated …
outcomes caused by SARS-CoV-2 Omicron infection. Hong Kong is providing inactivated …