Skip to main page content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.

Https

The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Access keys NCBI Homepage MyNCBI Homepage Main Content Main Navigation

Search Page

Filters

My NCBI Filters

Text availability

Article attribute

Article type

Publication date

Search Results

54 results

Filters applied: . Clear all
Results are displayed in a computed author sort order. The Results By Year timeline is not available.
Page 1
Describing the population experiencing COVID-19 vaccine breakthrough following second vaccination in England: a cohort study from OpenSAFELY.
OpenSAFELY Collaborative; Green A, Curtis H, Hulme W, Williamson E, McDonald H, Bhaskaran K, Rentsch C, Schultze A, MacKenna B, Mahalingasivam V, Tomlinson L, Walker A, Fisher L, Massey J, Andrews C, Hopcroft L, Morton C, Croker R, Morley J, Mehrkar A, Bacon S, Evans D, Inglesby P, Hickman G, Ward T, Davy S, Mathur R, Tazare J, Eggo R, Wing K, Wong A, Forbes H, Bates C, Cockburn J, Parry J, Hester F, Harper S, Douglas I, Evans S, Smeeth L, Goldacre B. OpenSAFELY Collaborative, et al. Among authors: hopcroft l. BMC Med. 2022 Jul 5;20(1):243. doi: 10.1186/s12916-022-02422-0. BMC Med. 2022. PMID: 35791013 Free PMC article.
SARS-CoV-2 infection and COVID-19 vaccination rates in pregnant women in Scotland.
Stock SJ, Carruthers J, Calvert C, Denny C, Donaghy J, Goulding A, Hopcroft LEM, Hopkins L, McLaughlin T, Pan J, Shi T, Taylor B, Agrawal U, Auyeung B, Katikireddi SV, McCowan C, Murray J, Simpson CR, Robertson C, Vasileiou E, Sheikh A, Wood R. Stock SJ, et al. Among authors: hopcroft lem. Nat Med. 2022 Mar;28(3):504-512. doi: 10.1038/s41591-021-01666-2. Epub 2022 Jan 13. Nat Med. 2022. PMID: 35027756 Free PMC article.
Waning effectiveness of BNT162b2 and ChAdOx1 covid-19 vaccines over six months since second dose: OpenSAFELY cohort study using linked electronic health records.
Horne EMF, Hulme WJ, Keogh RH, Palmer TM, Williamson EJ, Parker EPK, Green A, Walker V, Walker AJ, Curtis H, Fisher L, MacKenna B, Croker R, Hopcroft L, Park RY, Massey J, Morley J, Mehrkar A, Bacon S, Evans D, Inglesby P, Morton CE, Hickman G, Davy S, Ward T, Dillingham I, Goldacre B, Hernán MA, Sterne JAC. Horne EMF, et al. Among authors: hopcroft l. BMJ. 2022 Jul 20;378:e071249. doi: 10.1136/bmj-2022-071249. BMJ. 2022. PMID: 35858698 Free PMC article.
A population-based matched cohort study of early pregnancy outcomes following COVID-19 vaccination and SARS-CoV-2 infection.
Calvert C, Carruthers J, Denny C, Donaghy J, Hillman S, Hopcroft LEM, Hopkins L, Goulding A, Lindsay L, McLaughlin T, Moore E, Pan J, Taylor B, Almaghrabi F, Auyeung B, Bhaskaran K, Gibbons CL, Katikireddi SV, McCowan C, Murray J, O'Leary M, Ritchie LD, Shah SA, Simpson CR, Robertson C, Sheikh A, Stock SJ, Wood R. Calvert C, et al. Among authors: hopcroft lem. Nat Commun. 2022 Oct 17;13(1):6124. doi: 10.1038/s41467-022-33937-y. Nat Commun. 2022. PMID: 36253471 Free PMC article.
A population-based matched cohort study of major congenital anomalies following COVID-19 vaccination and SARS-CoV-2 infection.
Calvert C, Carruthers J, Denny C, Donaghy J, Hopcroft LEM, Hopkins L, Goulding A, Lindsay L, McLaughlin T, Moore E, Taylor B, Loane M, Dolk H, Morris J, Auyeung B, Bhaskaran K, Gibbons CL, Katikireddi SV, O'Leary M, McAllister D, Shi T, Simpson CR, Robertson C, Sheikh A, Stock SJ, Wood R. Calvert C, et al. Among authors: hopcroft lem. Nat Commun. 2023 Jan 6;14(1):107. doi: 10.1038/s41467-022-35771-8. Nat Commun. 2023. PMID: 36609574 Free PMC article.
Changes in medication safety indicators in England throughout the covid-19 pandemic using OpenSAFELY: population based, retrospective cohort study of 57 million patients using federated analytics.
Fisher L, Hopcroft LE, Rodgers S, Barrett J, Oliver K, Avery AJ, Evans D, Curtis H, Croker R, Macdonald O, Morley J, Mehrkar A, Bacon S, Davy S, Dillingham I, Evans D, Hickman G, Inglesby P, Morton CE, Smith B, Ward T, Hulme W, Green A, Massey J, Walker AJ, Bates C, Cockburn J, Parry J, Hester F, Harper S, O'Hanlon S, Eavis A, Jarvis R, Avramov D, Griffiths P, Fowles A, Parkes N, Goldacre B, MacKenna B. Fisher L, et al. Among authors: hopcroft le. BMJ Med. 2023 May 11;2(1):e000392. doi: 10.1136/bmjmed-2022-000392. eCollection 2023. BMJ Med. 2023. PMID: 37303488 Free PMC article.
First dose COVID-19 vaccine coverage amongst adolescents and children in England: an analysis of 3.21 million patients' primary care records in situ using OpenSAFELY.
Hopcroft LE, Curtis HJ, Brown AD, Hulme WJ, Andrews CD, Morton CE, Inglesby P, Morley J, Mehrkar A, Bacon SC, Eggo RM, Mahalingasivam V, Parker EPK, Tomlinson LA, Bates C, Cockburn J, Parry J, Hester F, Harper S, Goldacre B, Walker AJ, MacKenna B. Hopcroft LE, et al. Wellcome Open Res. 2023 Jun 9;8:70. doi: 10.12688/wellcomeopenres.18735.2. eCollection 2023. Wellcome Open Res. 2023. PMID: 37346822 Free PMC article.
Ethnic differences in the indirect effects of the COVID-19 pandemic on clinical monitoring and hospitalisations for non-COVID conditions in England: a population-based, observational cohort study using the OpenSAFELY platform.
Costello RE, Tazare J, Piehlmaier D, Herrett E, Parker EPK, Zheng B, Mansfield KE, Henderson AD, Carreira H, Bidulka P, Wong AYS, Warren-Gash C, Hayes JF, Quint JK, MacKenna B, Mehrkar A, Eggo RM, Katikireddi SV, Tomlinson L, Langan SM, Mathur R; LH&W NCS (or CONVALESCENCE) Collaborative; OpenSAFELY collaborative. Costello RE, et al. EClinicalMedicine. 2023 Jun 29;61:102077. doi: 10.1016/j.eclinm.2023.102077. eCollection 2023 Jul. EClinicalMedicine. 2023. PMID: 37434746 Free PMC article.
54 results