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Breakthrough Covid-19 infections during periods of circulating Beta, Delta and Omicron variants of concern, among health care workers in the Sisonke Ad26.COV2.S vaccine trial, South Africa

2021-12-21

Abstract excerpt

<h4>Background</h4> We report breakthrough infections (BTIs) during periods of circulating Beta, Delta and Omicron variants of concern, among health care workers (HCW) participating in the Sisonke phase 3B Ad26.COV2.S vaccine trial ( ClinicalTrials.gov number, NCT04838795 ). Data were gathered between 17 February and 15 December 2021. Duration of each period in this study was 89 days for Beta, 180 days or Delta an...

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Literature Corpus work
4b210cc9-ad15-54be-a3ae-7b58561046f5
DOI
10.1101/2021.12.21.21268171
Open publication

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Breakthrough Covid-19 infections during periods of circulating Beta, Delta and Omicron variants of concern, among health care workers in the Sisonke Ad26.COV2.S vaccine trial, South AfricaDOI 10.1101/2021.12.21.21268171
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