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Table representation of search results timeline featuring number of search results per year.

Year Number of Results
1999 1
2011 1
2013 2
2014 1
2015 2
2017 2
2018 3
2019 2
2020 7
2021 15
2022 14
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46 results
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Page 1
Effectiveness of the Pfizer-BioNTech and Oxford-AstraZeneca vaccines on covid-19 related symptoms, hospital admissions, and mortality in older adults in England: test negative case-control study.
Lopez Bernal J, Andrews N, Gower C, Robertson C, Stowe J, Tessier E, Simmons R, Cottrell S, Roberts R, O'Doherty M, Brown K, Cameron C, Stockton D, McMenamin J, Ramsay M. Lopez Bernal J, et al. BMJ. 2021 May 13;373:n1088. doi: 10.1136/bmj.n1088. BMJ. 2021. PMID: 33985964 Free PMC article.
Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant.
Lopez Bernal J, Andrews N, Gower C, Gallagher E, Simmons R, Thelwall S, Stowe J, Tessier E, Groves N, Dabrera G, Myers R, Campbell CNJ, Amirthalingam G, Edmunds M, Zambon M, Brown KE, Hopkins S, Chand M, Ramsay M. Lopez Bernal J, et al. N Engl J Med. 2021 Aug 12;385(7):585-594. doi: 10.1056/NEJMoa2108891. Epub 2021 Jul 21. N Engl J Med. 2021. PMID: 34289274 Free PMC article.
COVID-19 vaccine coverage in health-care workers in England and effectiveness of BNT162b2 mRNA vaccine against infection (SIREN): a prospective, multicentre, cohort study.
Hall VJ, Foulkes S, Saei A, Andrews N, Oguti B, Charlett A, Wellington E, Stowe J, Gillson N, Atti A, Islam J, Karagiannis I, Munro K, Khawam J, Chand MA, Brown CS, Ramsay M, Lopez-Bernal J, Hopkins S; SIREN Study Group. Hall VJ, et al. Among authors: lopez bernal j. Lancet. 2021 May 8;397(10286):1725-1735. doi: 10.1016/S0140-6736(21)00790-X. Epub 2021 Apr 23. Lancet. 2021. PMID: 33901423 Free PMC article.
Covid-19 Vaccine Effectiveness against the Omicron (B.1.1.529) Variant.
Andrews N, Stowe J, Kirsebom F, Toffa S, Rickeard T, Gallagher E, Gower C, Kall M, Groves N, O'Connell AM, Simons D, Blomquist PB, Zaidi A, Nash S, Iwani Binti Abdul Aziz N, Thelwall S, Dabrera G, Myers R, Amirthalingam G, Gharbia S, Barrett JC, Elson R, Ladhani SN, Ferguson N, Zambon M, Campbell CNJ, Brown K, Hopkins S, Chand M, Ramsay M, Lopez Bernal J. Andrews N, et al. Among authors: lopez bernal j. N Engl J Med. 2022 Apr 21;386(16):1532-1546. doi: 10.1056/NEJMoa2119451. Epub 2022 Mar 2. N Engl J Med. 2022. PMID: 35249272 Free PMC article.
An outbreak caused by the SARS-CoV-2 Delta (B.1.617.2) variant in a care home after partial vaccination with a single dose of the COVID-19 vaccine Vaxzevria, London, England, April 2021.
Williams SV, Vusirikala A, Ladhani SN, Fernandez Ruiz De Olano E, Iyanger N, Aiano F, Stoker K, Gopal Rao G, John L, Patel B, Andrews N, Dabrera G, Ramsay M, Brown KE, Lopez Bernal J, Saliba V. Williams SV, et al. Among authors: lopez bernal j. Euro Surveill. 2021 Jul;26(27):2100626. doi: 10.2807/1560-7917.ES.2021.26.27.2100626. Euro Surveill. 2021. PMID: 34240699 Free PMC article.
Vaccine effectiveness of the first dose of ChAdOx1 nCoV-19 and BNT162b2 against SARS-CoV-2 infection in residents of long-term care facilities in England (VIVALDI): a prospective cohort study.
Shrotri M, Krutikov M, Palmer T, Giddings R, Azmi B, Subbarao S, Fuller C, Irwin-Singer A, Davies D, Tut G, Lopez Bernal J, Moss P, Hayward A, Copas A, Shallcross L. Shrotri M, et al. Among authors: lopez bernal j. Lancet Infect Dis. 2021 Nov;21(11):1529-1538. doi: 10.1016/S1473-3099(21)00289-9. Epub 2021 Jun 23. Lancet Infect Dis. 2021. PMID: 34174193 Free PMC article.
46 results