@article{Hall_V-2023_142267,
title = {Effectiveness of BNT162b2 mRNA vaccine third doses and previous infection in protecting against SARS-CoV-2 infections during the Delta and Omicron variant waves; the UK SIREN cohort study September 2021 to February 2022 [pre-print]},
author = {Hall, V. and Insalata, F. and Foulkes, S. and Kirwan, P. and Sparkes, D. and Atti, A. and Cole, M. and De Lacy, E. and Price, L. and Corrigan, D. and Brown, C. and Islam, J. and SIREN Study Group and Charlett, A. and Hopkins, S.},
month = {may},
year = {2023},
abstract = {Third doses of COVID-19 vaccines were widely deployed following primary vaccine course waning and emergence of the Omicron-variant. We investigated protection from third-dose vaccines and previous infection against SARS-CoV-2 infection during Delta-variant and Omicron-variant (BA.1 &amp; BA.2) waves in our frequently PCR-tested cohort of healthcare-workers.},
journal = {medRxiv},
publisher = {medRxiv},
url = {https://doi.org/10.1101/2023.05.22.23290197},
}
