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Comparative analysis of the risks of hospitalisation and death associated with SARS-CoV-2 omicron (B.1.1.529) and delta (B.1.617.2) variants in England: a cohort study.
Nyberg T, Ferguson NM, Nash SG, Webster HH, Flaxman S, Andrews N, Hinsley W, Bernal JL, Kall M, Bhatt S, Blomquist P, Zaidi A, Volz E, Aziz NA, Harman K, Funk S, Abbott S; COVID-19 Genomics UK (COG-UK) consortium; Hope R, Charlett A, Chand M, Ghani AC, Seaman SR, Dabrera G, De Angelis D, Presanis AM, Thelwall S. Nyberg T, et al. Among authors: zaidi a. Lancet. 2022 Apr 2;399(10332):1303-1312. doi: 10.1016/S0140-6736(22)00462-7. Epub 2022 Mar 16. Lancet. 2022. PMID: 35305296 Free PMC article.
SARS-CoV-2 infections in children following the full re-opening of schools and the impact of national lockdown: Prospective, national observational cohort surveillance, July-December 2020, England.
Mensah AA, Sinnathamby M, Zaidi A, Coughlan L, Simmons R, Ismail SA, Ramsay ME, Saliba V, Ladhani SN. Mensah AA, et al. Among authors: zaidi a. J Infect. 2021 Apr;82(4):67-74. doi: 10.1016/j.jinf.2021.02.022. Epub 2021 Feb 25. J Infect. 2021. PMID: 33639175 Free PMC article.
Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study.
Twohig KA, Nyberg T, Zaidi A, Thelwall S, Sinnathamby MA, Aliabadi S, Seaman SR, Harris RJ, Hope R, Lopez-Bernal J, Gallagher E, Charlett A, De Angelis D, Presanis AM, Dabrera G; COVID-19 Genomics UK (COG-UK) consortium. Twohig KA, et al. Among authors: zaidi a. Lancet Infect Dis. 2022 Jan;22(1):35-42. doi: 10.1016/S1473-3099(21)00475-8. Epub 2021 Aug 27. Lancet Infect Dis. 2022. PMID: 34461056 Free PMC article.
Household transmission of COVID-19 cases associated with SARS-CoV-2 delta variant (B.1.617.2): national case-control study.
Allen H, Vusirikala A, Flannagan J, Twohig KA, Zaidi A, Chudasama D, Lamagni T, Groves N, Turner C, Rawlinson C, Lopez-Bernal J, Harris R, Charlett A, Dabrera G, Kall M; COVID-19 Genomics UK (COG-UK Consortium). Allen H, et al. Among authors: zaidi a. Lancet Reg Health Eur. 2022 Jan;12:100252. doi: 10.1016/j.lanepe.2021.100252. Epub 2021 Oct 28. Lancet Reg Health Eur. 2022. PMID: 34729548 Free PMC article.
Impact of SARS-CoV-2 Alpha variant (B.1.1.7) on prisons, England.
Vusirikala A, Flannagan J, Czachorowski M, Zaidi A, Twohig KA, Plugge E, Ellaby N, Rice W, Dabrera G, Chudasama DY, Lamagni T. Vusirikala A, et al. Among authors: zaidi a. Public Health. 2022 Mar;204:21-24. doi: 10.1016/j.puhe.2021.12.018. Epub 2021 Dec 28. Public Health. 2022. PMID: 35131679 Free PMC article.
Hospitalization and Mortality Risk for COVID-19 Cases With SARS-CoV-2 AY.4.2 (VUI-21OCT-01) Compared to Non-AY.4.2 Delta Variant Sublineages.
Nyberg T, Harman K, Zaidi A, Seaman SR, Andrews N, Nash SG, Charlett A, Lopez Bernal J, Myers R, Groves N, Gallagher E, Gharbia S, Chand M, Thelwall S, De Angelis D, Dabrera G, Presanis AM. Nyberg T, et al. Among authors: zaidi a. J Infect Dis. 2022 Sep 13;226(5):808-811. doi: 10.1093/infdis/jiac063. J Infect Dis. 2022. PMID: 35184201 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: zaidi a. 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.
Enhancing epidemiological surveillance of the emergence of the SARS-CoV-2 Omicron variant using spike gene target failure data, England, 15 November to 31 December 2021.
Blomquist PB, Bridgen J, Bray N, O'Connell AM, West D, Groves N, Gallagher E, Utsi L, Jarvis CI, Hardstaff JL, Byers C, Metelmann S, Simons D, Zaidi A, Twohig KA, Savagar B, Løchen A, Ryan C, Wrenn K, Saavedra-Campos M, Abedin Z, Florence I, Cleary P, Elson R, Vivancos R, Lake IR. Blomquist PB, et al. Among authors: zaidi a. Euro Surveill. 2022 Mar;27(11):2200143. doi: 10.2807/1560-7917.ES.2022.27.11.2200143. Euro Surveill. 2022. PMID: 35301981 Free PMC article.
Assessment of mortality and hospital admissions associated with confirmed infection with SARS-CoV-2 Alpha variant: a matched cohort and time-to-event analysis, England, October to December 2020.
Dabrera G, Allen H, Zaidi A, Flannagan J, Twohig K, Thelwall S, Marchant E, Aziz NA, Lamagni T, Myers R, Charlett A, Capelastegui F, Chudasama D, Clare T, Coukan F, Sinnathamby M, Ferguson N, Hopkins S, Chand M, Hope R, Kall M; COG-UK Consortium. Dabrera G, et al. Among authors: zaidi a. Euro Surveill. 2022 May;27(20):2100377. doi: 10.2807/1560-7917.ES.2022.27.20.2100377. Euro Surveill. 2022. PMID: 35593163 Free PMC article.
A cross-sectional national investigation of COVID-19 outbreaks in nurseries during rapid spread of the Alpha (B.1.1.7) variant of SARS-CoV-2 in England.
Aiano F, McOwat K, Obi C, Powell AA, Flood J, Bhardwaj S, Stoker K, Haskins D, Wong B, Bertran M, Zavala M, Bosowski J, Jones SEI, Amin-Chowdhury Z, Coughlan L, Sinnathamby M, Zaidi A, Merrick R, Zhao H, Ismail S, Ramsay ME, Ladhani SN, Saliba V. Aiano F, et al. Among authors: zaidi a. BMC Public Health. 2022 Oct 2;22(1):1845. doi: 10.1186/s12889-022-14228-z. BMC Public Health. 2022. PMID: 36183069 Free PMC article.
1,304 results