Publications by authors named "Annabel Powell"

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Sensitivity Analysis of Hepatitis B and C Mortality in England Using Data Linkage: Meeting the WHO Elimination Threshold for Mortality.
Annabel A Powell, Annastella Costella, Rachel Roche, David Leeman, Ashley Brown, Mark Gillyon-Powell

J Viral Hepat· April 2025

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Pilot postal birth cohort hepatitis C virus screening in UK primary care: HepCAPP study.
Ruth Simmons, Annabel A Powell, Samreen Ijaz, Sema Mandal, Justin Shute

Br J Gen Pract· February 2025

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Current state of COVID-19 in children: 4 years on.
Annabel A Powell, Alexander C Dowell, Paul Moss, Shamez N Ladhani,

J Infect· May 2024

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Nasal mucosal IgA levels against SARS-CoV-2 and seasonal coronaviruses are low in children but boosted by reinfection.
Alexander C Dowell, Gokhan Tut, Jusnara Begum, Rachel Bruton, Christopher Bentley, Annabel A Powell

J Infect· November 2023

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Paediatric acute hepatitis of unknown aetiology: a national investigation and adenoviraemia case-control study in the UK.
Sema Mandal, Ruth Simmons, Georgina Ireland, Andre Charlett, Monica Desai, Annabel Powell

Lancet Child Adolesc Health· November 2023

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Early evaluation of the safety, reactogenicity, and immune response after a single dose of modified vaccinia Ankara-Bavaria Nordic vaccine against mpox in children: a national outbreak response.
Shamez N Ladhani, Alexander C Dowell, Scott Jones, Bethany Hicks, Cathy Rowe, Annabel Powell

Lancet Infect Dis· September 2023

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Factors associated with COVID-19 vaccine uptake in adolescents: a national cross-sectional study, August 2021-January 2022, England.
Felicity Aiano, Georgina Ireland, Annabel Powell, Colin N J Campbell, Alison Judd

BMJ Open· September 2023

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Immunological imprinting of humoral immunity to SARS-CoV-2 in children.
Alexander C Dowell, Tara Lancaster, Rachel Bruton, Georgina Ireland, Christopher Bentley, Annabel A Powell

Nat Commun· June 2023

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Protection against symptomatic infection with delta (B.1.617.2) and omicron (B.1.1.529) BA.1 and BA.2 SARS-CoV-2 variants after previous infection and vaccination in adolescents in England, August, 2021-March, 2022: a national, observational, test-negative, case-control study.
Annabel A Powell, Freja Kirsebom, Julia Stowe, Mary E Ramsay, Jamie Lopez-Bernal

Lancet Infect Dis· April 2023

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Significantly lower infection fatality rates associated with SARS-CoV-2 Omicron (B.1.1.529) infection in children and young people: Active, prospective national surveillance, January-March 2022, England.
Erjola Hani, Marta Bertran, Annabel Powell, Hannah Williams, Paul Birrell

J Infect· April 2023

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National and regional prevalence of SARS-CoV-2 antibodies in primary and secondary school children in England: the School Infection Survey, a national open cohort study, November 2021SARS-CoV-2 antibody prevalence in school children.
Annabel A Powell, Georgina Ireland, Rebecca Leeson, Andrea Lacey, Ben Ford

J Infect· April 2023

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The changing epidemiology of PIMS-TS across COVID-19 waves: prospective national surveillance, January 2021 to July 2022, England.
Joseph Shingleton, Hannah Williams, Godwin Oligbu, Annabel Powell, Jonathan Cohen

J Infect· December 2022

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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.
Felicity Aiano, Kelsey McOwat, Chinelo Obi, Annabel A Powell, Jessica Flood

BMC Public Health· October 2022

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Parents' and teachers' attitudes to and experiences of the implementation of COVID-19 preventive measures in primary and secondary schools following reopening of schools in autumn 2020: a descriptive cross-sectional survey.
Zahin Amin-Chowdhury, Marta Bertran, Meaghan Kall, Georgina Ireland, Felicity Aiano, Annabel Powell

BMJ Open· September 2022

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Perceptions of adolescents on the COVID-19 pandemic and returning to school: qualitative questionnaire survey, September 2020, England.
Annabel A Powell, Georgina Ireland, Felicity Aiano, Jessica Flood, Zahin Amin-Chowdhury

BMC Pediatr· July 2022

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mRNA or ChAd0x1 COVID-19 Vaccination of Adolescents Induces Robust Antibody and Cellular Responses With Continued Recognition of Omicron Following mRNA-1273.
Alexander C Dowell, Annabel A Powell, Chris Davis, Sam Scott, Nicola Logan

Front Immunol· June 2022

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Real-world data on immune responses following heterologous prime-boost COVID-19 vaccination schedule with Pfizer and AstraZeneca vaccines in England.
Samantha J Westrop, Heather J Whitaker, Annabel A Powell, Linda Power, Corinne Whillock

J Infect· May 2022

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Effectiveness of BNT162b2 against COVID-19 in adolescents.
Annabel A Powell, Freja Kirsebom, Julia Stowe, Kelsey McOwat, Vanessa Saliba

Lancet Infect Dis· May 2022

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Secondary attack rates in primary and secondary school bubbles following a confirmed case: Active, prospective national surveillance, November to December 2020, England.
Annabel A Powell, Georgina Ireland, Frances Baawuah, Joanne Beckmann, Ifeanyichukwu O Okike

PLoS One· February 2022

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Real-world data shows increased reactogenicity in adults after heterologous compared to homologous prime-boost COVID-19 vaccination, March-June 2021, England.
Annabel A Powell, Linda Power, Samantha Westrop, Kelsey McOwat, Helen Campbell

Euro Surveill· July 2021

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COVID-19 outbreaks following full reopening of primary and secondary schools in England: Cross-sectional national surveillance, November 2020.
Felicity Aiano, Anna A Mensah, Kelsey McOwat, Chinelo Obi, Amoolya Vusirikala, Annabel A Powell

Lancet Reg Health Eur· July 2021

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Severe Acute Respiratory Syndrome Coronavirus 2 Infections in Primary School Age Children After Partial Reopening of Schools in England.
Annabel A Powell, Zahin Amin-Chowdhury, Anna Mensah, Mary E Ramsay, Vanessa Saliba

Pediatr Infect Dis J· June 2021

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