Implication of the emergence of the delta (B.1.617.2) variants on vaccine effectiveness
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DOI: 10.1007/s15010-022-01759-1
Abstract: COVID-19 vaccines have been developed to compact the current SARS-CoV-2 pandemic and have been administered to people all over the world. These vaccines have been quite effective in reducing the possibility of severe illness, hospitalization… read more here.
Keywords: delta variant; emergence delta; implication emergence; delta 617 ... See more keywords
Comparative transmission of SARS-CoV-2 Omicron (B.1.1.529) and Delta (B.1.617.2) variants and the impact of vaccination: national cohort study, England
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DOI: 10.1017/s0950268823000420
Abstract: Abstract The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) Omicron variant (B.1.1.529) rapidly replaced Delta (B.1.617.2) to become dominant in England. Our study assessed differences in transmission between Omicron and Delta using two independent data… read more here.
Keywords: delta 617; transmission; cov omicron; household ... See more keywords
Comparative complete scheme and booster effectiveness of COVID‐19 vaccines in preventing SARS‐CoV‐2 infections with SARS‐CoV‐2 Omicron (BA.1) and Delta (B.1.617.2) variants: A case–case study based on electronic health records
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DOI: 10.1111/irv.13121
Abstract: Information on vaccine effectiveness in a context of novel variants of concern (VOC) emergence is of key importance to inform public health policies. This study aimed to estimate a measure of comparative vaccine effectiveness between… read more here.
Keywords: health; delta 617; omicron delta; case ... See more keywords
Differences in Immunological Evasion of the Delta (B.1.617.2) and Omicron (B.1.1.529) SARS-CoV-2 Variants: A Retrospective Study on the Veneto Region’s Population
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DOI: 10.3390/ijerph19138179
Abstract: In December 2021–January 2022 the Veneto region in Italy faced an unprecedented wave of SARS-CoV-2 infections, even though both the vaccine coverage and the number of previously infected individuals keep increasing. In this study we… read more here.
Keywords: veneto region; omicron; retrospective study; delta 617 ... See more keywords