Items where Author is "Fragaszy, Ellen"
Number of items: 47.
2023
  • Comparative effectiveness of different primary vaccination courses on mRNA-based booster vaccines against SARs-COV-2 infections: a time-varying cohort analysis using trial emulation in the Virus Watch community cohort. (2023) Nguyen, Vincent Grigori; Yavlinsky, Alexei; Beale, Sarah; Hoskins, Susan; Byrne, Thomas E; Lampos, Vasileios; Braithwaite, Isobel; Fong, Wing Lam Erica; Fragaszy, Ellen; Geismar, Cyril; Kovar, Jana; Navaratnam, Annalan MD; Patel, Parth; Shrotri, Madhumita; Weber, Sophie; Hayward, Andrew C; Aldridge, Robert W
  • 2022
  • SARS-CoV-2 antibodies and breakthrough infections in the Virus Watch cohort. (2022) Aldridge, Robert W; Yavlinsky, Alexei; Nguyen, Vincent; Eyre, Max T; Shrotri, Madhumita; Navaratnam, Annalan MD; Beale, Sarah; Braithwaite, Isobel; Byrne, Thomas; Kovar, Jana; Fragaszy, Ellen; Fong, Wing Lam Erica; Geismar, Cyril; Patel, Parth; Rodger, Alison; Johnson, Anne M; Hayward, Andrew
  • Workplace contact patterns in England during the COVID-19 pandemic: Analysis of the Virus Watch prospective cohort study. (2022) Beale, Sarah; Hoskins, Susan; Byrne, Thomas; Fong, Wing Lam Erica; Fragaszy, Ellen; Geismar, Cyril; Kovar, Jana; Navaratnam, Annalan MD; Nguyen, Vincent; Patel, Parth; Yavlinsky, Alexei; Johnson, Anne M; Van Tongeren, Martie; Aldridge, Robert W; Hayward, Andrew; Virus Watch Collaborative
  • Occupation, work-related contact and SARS-CoV-2 anti-nucleocapsid serological status: findings from the Virus Watch prospective cohort study. (2022) Beale, Sarah; Patel, Parth; Rodger, Alison; Braithwaite, Isobel; Byrne, Thomas; Fong, Wing Lam Erica; Fragaszy, Ellen; Geismar, Cyril; Kovar, Jana; Navaratnam, Annalan; Nguyen, Vincent; Shrotri, Madhumita; Aryee, Anna; Aldridge, Robert; Hayward, Andrew; Virus Watch Collaborative
  • Symptom profiles and accuracy of clinical case definitions for COVID-19 in a community cohort: results from the Virus Watch study. (2022) Fragaszy, Ellen; Shrotri, Madhumita; Geismar, Cyril; Aryee, Anna; Beale, Sarah; Braithwaite, Isobel; Byrne, Thomas; Eyre, Max T; Fong, Wing Lam Erica; Gibbs, Jo; Hardelid, Pia; Kovar, Jana; Lampos, Vasileios; Nastouli, Eleni; Navaratnam, Annalan MD; Nguyen, Vincent; Patel, Parth; Aldridge, Robert W; Hayward, Andrew
  • Settings for non-household transmission of SARS-CoV-2 during the second lockdown in England and Wales – analysis of the Virus Watch household community cohort study. (2022) Hoskins, Susan; Beale, Sarah; Nguyen, Vincent; Fragaszy, Ellen; Navaratnam, Annalan MD; Smith, Colette; French, Clare; Kovar, Jana; Byrne, Thomas; Fong, Wing Lam Erica; Geismar, Cyril; Patel, Parth; Yavlinksy, Alexei; Johnson, Anne M; Aldridge, Robert W; Hayward, Andrew
  • Nucleocapsid and spike antibody responses following virologically confirmed SARS-CoV-2 infection: an observational analysis in the Virus Watch community cohort. (2022) Navaratnam, Annalan MD; Shrotri, Madhumita; Nguyen, Vincent; Braithwaite, Isobel; Beale, Sarah; Byrne, Thomas E; Fong, Wing Lam Erica; Fragaszy, Ellen; Geismar, Cyril; Hoskins, Susan; Kovar, Jana; Patel, Parth; Yavlinsky, Alexei; Aryee, Anna; Rodger, Alison; Hayward, Andrew C; Aldridge, Robert W; Virus Watch Collaborative
  • A case-crossover study of the effect of vaccination on SARS-CoV-2 transmission relevant behaviours during a period of national lockdown in England and Wales. (2022) Serisier, Aimee; Beale, Sarah; Boukari, Yamina; Hoskins, Susan; Nguyen, Vincent; Byrne, Thomas; Fong, Wing Lam Erica; Fragaszy, Ellen; Geismar, Cyril; Kovar, Jana; Yavlinsky, Alexei; Hayward, Andrew; Aldridge, Robert W
  • Spike-antibody responses to COVID-19 vaccination by demographic and clinical factors in a prospective community cohort study. (2022) Shrotri, Madhumita; Fragaszy, Ellen; Nguyen, Vincent; Navaratnam, Annalan MD; Geismar, Cyril; Beale, Sarah; Kovar, Jana; Byrne, Thomas E; Fong, Wing Lam Erica; Patel, Parth; Aryee, Anna; Braithwaite, Isobel; Johnson, Anne M; Rodger, Alison; Hayward, Andrew C; Aldridge, Robert W
  • Anti-spike antibody trajectories in individuals previously immunised with BNT162b2 or ChAdOx1 following a BNT162b2 booster dose. (2022) Yavlinsky, Alexei; Beale, Sarah; Nguyen, Vincent; Shrotri, Madhumita; Byrne, Thomas; Geismar, Cyril; Fragaszy, Ellen; Hoskins, Susan; Fong, Wing Lam Erica; Navaratnam, Annalan MD; Braithwaite, Isobel; Patel, Parth; Kovar, Jana; Hayward, Andrew; Aldridge, Robert W
  • 2021
  • Seasonality and immunity to laboratory-confirmed seasonal coronaviruses (HCoV-NL63, HCoV-OC43, and HCoV-229E): results from the Flu Watch cohort study. (2021) Aldridge, Robert W; Lewer, Dan; Beale, Sarah; Johnson, Anne M; Zambon, Maria; Hayward, Andrew C; Fragaszy, Ellen B; Flu Watch Group
  • Household overcrowding and risk of SARS-CoV-2: analysis of the Virus Watch prospective community cohort study in England and Wales. (2021) Aldridge, Robert W; Pineo, Helen; Fragaszy, Ellen; Eyre, Max T; Kovar, Jana; Nguyen, Vincent; Beale, Sarah; Byrne, Thomas; Aryee, Anna; Smith, Colette; Devakumar, Delan; Taylor, Jonathon; Katikireddi, Srinivasa Vittal; Fong, Wing Lam Erica; Geismar, Cyril; Patel, Parth; Shrotri, Madhumita; Braithwaite, Isobel; Patni, Nicholas; Navaratnam, Annalan MD; Johnson, Anne M; Hayward, Andrew
  • Deprivation and exposure to public activities during the COVID-19 pandemic in England and Wales. (2021) Beale, Sarah; Braithwaite, Isobel; Navaratnam, Annalan Md; Hardelid, Pia; Rodger, Alison; Aryee, Anna; Byrne, Thomas E; Fong, Erica Wing Lam; Fragaszy, Ellen; Geismar, Cyril; Kovar, Jana; Nguyen, Vincent; Patel, Parth; Shrotri, Madhumita; Aldridge, Robert; Hayward, Andrew; Virus Watch Collaborative
  • Reported exposure to SARS-CoV-2 and relative perceived importance of different settings for SARS-CoV-2 acquisition in England and Wales: Analysis of the Virus Watch Community Cohort. (2021) Beale, Sarah; Byrne, Thomas; Fragaszy, Ellen; Kovar, Jana; Nguyen, Vincent; Aryee, Anna; Fong, Wing Lam Erica; Geismar, Cyril; Patel, Parth; Shrotri, Madhumita; Patni, Nicholas; Braithwaite, Isobel; Navaratnam, Annalan; Johnson, Anne M; Aldridge, Robert W; Hayward, Andrew C
  • Hand Hygiene Practices and the Risk of Human Coronavirus Infections in a UK Community Cohort. (2021) Beale, Sarah; Johnson, Anne M; Zambon, Maria; Hayward, Andrew C; Fragaszy, Ellen B
  • Trends, patterns and psychological influences on COVID-19 vaccination intention: Findings from a large prospective community cohort study in England and Wales (Virus Watch). (2021) Byrne, Thomas; Patel, Parth; Shrotri, Madhumita; Beale, Sarah; Michie, Susan; Butt, Jabeer; Hawkins, Nicky; Hardelid, Pia; Rodger, Alison; Aryee, Anna; Braithwaite, Isobel; Fong, Wing Lam Erica; Fragaszy, Ellen; Geismar, Cyril; Kovar, Jana; Navaratnam, Annalan MD; Nguyen, Vincent; Hayward, Andrew; Aldridge, Robert W; Virus Watch Collaborative
  • Feasibility study of hospital antimicrobial stewardship analytics using electronic health records. (2021) Dutey-Magni, PF; Gill, MJ; McNulty, D; Sohal, G; Hayward, A; Shallcross, L; Anderson, Niall; Crayton, Elise; Forbes, Gillian; Jhass, Arnoupe; Richardson, Emma; Richardson, Michelle; Rockenschaub, Patrick; Smith, Catherine; Sutton, Elizabeth; Traina, Rosanna; Atkins, Lou; Conolly, Anne; Denaxas, Spiros; Fragaszy, Ellen; Horne, Rob; Kostkova, Patty; Lorencatto, Fabiana; Michie, Susan; Mindell, Jennifer; Robson, John; Royston, Claire; Tarrant, Carolyn; Thomas, James; West, Jonathan; Williams, Haydn; Elsay, Nadia; Fuller, Chris
  • Impact of baseline cases of cough and fever on UK COVID-19 diagnostic testing rates: estimates from the Bug Watch community cohort study. (2021) Eyre, Max; Burns, Rachel; Kirkby, Victoria; Smith, Catherine; Denaxas, Spiros; Nguyen, Vincent; Hayward, Andrew; Shallcross, Laura; Fragaszy, Ellen; Aldridge, Robert
  • Household serial interval of COVID-19 and the effect of Variant B.1.1.7: analyses from prospective community cohort study (Virus Watch). (2021) Geismar, Cyril; Fragaszy, Ellen; Nguyen, Vincent; Fong, Wing Lam Erica; Shrotri, Madhumita; Beale, Sarah; Rodger, Alison; Lampos, Vasileios; Byrne, Thomas; Kovar, Jana; Navaratnam, Annalan MD; Patel, Parth; Aldridge, Robert W; Hayward, Andrew
  • Risk factors, symptom reporting, healthcare-seeking behaviour and adherence to public health guidance: protocol for Virus Watch, a prospective community cohort study. (2021) Hayward, Andrew; Fragaszy, Ellen; Kovar, Jana; Nguyen, Vincent; Beale, Sarah; Byrne, Thomas; Aryee, Anna; Hardelid, Pia; Wijlaars, Linda; Fong, Wing Lam Erica; Geismar, Cyril; Patel, Parth; Shrotri, Madhumita; Navaratnam, Annalan MD; Nastouli, Eleni; Spyer, Moira; Killingley, Ben; Cox, Ingemar; Lampos, Vasileios; McKendry, Rachel A; Liu, Yunzhe; Cheng, Tao; Johnson, Anne M; Michie, Susan; Gibbs, Jo; Gilson, Richard; Rodger, Alison; Aldridge, Robert W
  • Incidence, healthcare-seeking behaviours, antibiotic use and natural history of common infection syndromes in England: results from the Bug Watch community cohort study. (2021) Smith, Catherine M; Shallcross, Laura J; Dutey-Magni, Peter; Conolly, Anne; Fuller, Christopher; Hill, Suzanne; Jhass, Arnoupe; Marcheselli, Franziska; Michie, Susan; Mindell, Jennifer S; Ridd, Matthew J; Tsakos, Georgios; Hayward, Andrew C; Fragaszy, Ellen B; PASS research group
  • 2020
  • Seasonality and immunity to laboratory-confirmed seasonal coronaviruses (HCoV-NL63, HCoV-OC43, and HCoV-229E): results from the Flu Watch cohort study. (2020) Aldridge, Robert W; Lewer, Dan; Beale, Sarah; Johnson, Anne M; Zambon, Maria; Hayward, Andrew C; Fragaszy, Ellen B
  • Black, Asian and Minority Ethnic groups in England are at increased risk of death from COVID-19: indirect standardisation of NHS mortality data. (2020) Aldridge, Robert W; Lewer, Dan; Katikireddi, Srinivasa Vittal; Mathur, Rohini; Pathak, Neha; Burns, Rachel; Fragaszy, Ellen B; Johnson, Anne M; Devakumar, Delan; Abubakar, Ibrahim; Hayward, Andrew
  • A rapid review and meta-analysis of the asymptomatic proportion of PCR-confirmed SARS-CoV-2 infections in community settings. (2020) Beale, Sarah; Hayward, Andrew; Shallcross, Laura; Aldridge, Robert W; Fragaszy, Ellen
  • Household transmission of seasonal coronavirus infections: Results from the Flu Watch cohort study. (2020) Beale, Sarah; Lewer, Dan; Aldridge, Robert W; Johnson, Anne M; Zambon, Maria; Hayward, Andrew; Fragaszy, Ellen
  • Impact of baseline cases of cough and fever on UK COVID-19 diagnostic testing rates: estimates from the Bug Watch community cohort study. (2020) Eyre, Max T; Burns, Rachel; Kirkby, Victoria; Smith, Catherine; Denaxas, Spiros; Nguyen, Vincent; Hayward, Andrew; Shallcross, Laura; Fragaszy, Ellen; Aldridge, Robert W
  • Public activities preceding the onset of acute respiratory infection syndromes in adults in England - implications for the use of social distancing to control pandemic respiratory infections. (2020) Hayward, Andrew C; Beale, Sarah; Johnson, Anne M; Fragaszy, Ellen B; Flu Watch Group
  • Public activities preceding the onset of acute respiratory infection syndromes in adults in England - implications for the use of social distancing to control pandemic respiratory infections. (2020) Hayward, Andrew C; Beale, Sarah; Johnson, Anne M; Fragaszy, Ellen B; Flu Watch Group
  • An interdisciplinary mixed-methods approach to developing antimicrobial stewardship interventions: Protocol for the Preserving Antibiotics through Safe Stewardship (PASS) Research Programme. (2020) Shallcross, Laura; Lorencatto, Fabiana; Fuller, Christopher; Tarrant, Carolyn; West, Jonathan; Traina, Rosanna; Smith, Catherine; Forbes, Gillian; Crayton, Elise; Rockenschaub, Patrick; Dutey-Magni, Peter; Richardson, Emma; Fragaszy, Ellen; Michie, Susan; Hayward, Andrew; PASS Research Group
  • 2019
  • Nosocomial transmission of influenza: A retrospective cross-sectional study using next generation sequencing at a hospital in England (2012-2014). (2019) Blackburn, Ruth M; Frampton, Dan; Smith, Catherine M; Fragaszy, Ellen B; Watson, Simon J; Ferns, R Bridget; Binter, Špela; Coen, Pietro G; Grant, Paul; Shallcross, Laura J; Kozlakidis, Zisis; Pillay, Deenan; Kellam, Paul; Hué, Stéphane; Nastouli, Eleni; Hayward, Andrew C; ICONIC group
  • Estimates for quality of life loss due to Respiratory Syncytial Virus. (2019) Hodgson, David; Atkins, Katherine E; Baguelin, Marc; Panovska-Griffiths, Jasmina; Thorrington, Dominic; van Hoek, Albert Jan; Zhao, Hongxin; Fragaszy, Ellen; Hayward, Andrew C; Pebody, Richard
  • The UK's pandemic influenza research portfolio: a model for future research on emerging infections. (2019) Simpson, Colin R; Beever, Dan; Challen, Kirsty; De Angelis, Daniela; Fragaszy, Ellen; Goodacre, Steve; Hayward, Andrew; Lim, Wei Shen; Rubin, G James; Semple, Malcolm G; Knight, Marian; NIHR hibernated influenza studies collaborative group
  • Symptom reporting, healthcare-seeking behaviour and antibiotic use for common infections: protocol for Bug Watch, a prospective community cohort study. (2019) Smith, Catherine M; Conolly, Anne; Fuller, Christopher; Hill, Suzanne; Lorencatto, Fabiana; Marcheselli, Franziska; Michie, Susan; Mindell, Jennifer S; Ridd, Matthew J; Shallcross, Laura J; Tsakos, Georgios; Hayward, Andrew; Fragaszy, Ellen B
  • 2018
  • Self-Swabbing for Virological Confirmation of Influenza-Like Illness Among an Internet-Based Cohort in the UK During the 2014-2015 Flu Season: Pilot Study. (2018) Wenham, Clare; Gray, Eleanor R; Keane, Candice E; Donati, Matthew; Paolotti, Daniela; Pebody, Richard; Fragaszy, Ellen; McKendry, Rachel A; Edmunds, W John
  • 2017
  • Effects of seasonal and pandemic influenza on health-related quality of life, work and school absence in England: Results from the Flu Watch cohort study. (2017) Fragaszy, Ellen B; Warren-Gash, Charlotte; White, Peter J; Zambon, Maria; Edmunds, William J; Nguyen-Van-Tam, Jonathan S; Hayward, Andrew C; Flu Watch Group
  • 2016
  • Cohort Profile: The Flu Watch Study. (2016) Fragaszy, Ellen B; Warren-Gash, Charlotte; Wang, Lili; Copas, Andrew; Dukes, Oliver; Edmunds, W John; Goonetilleke, Nilu; Harvey, Gabrielle; Johnson, Anne M; Kovar, Jana; Lim, Megan Sc; McMichael, Andrew; Millett, Elizabeth Rc; Nazareth, Irwin; Nguyen-Van-Tam, Jonathan S; Tabassum, Faiza; Watson, John M; Wurie, Fatima; Zambon, Maria; Hayward, Andrew C; Flu Watch Group
  • Increased risk of A(H1N1)pdm09 influenza infection in UK pig industry workers compared to a general population cohort. (2016) Fragaszy, Ellen; Ishola, David A; Brown, Ian H; Enstone, Joanne; Nguyen-Van-Tam, Jonathan S; Simons, Robin; Tucker, Alexander W; Wieland, Barbara; Williamson, Susanna M; Hayward, Andrew C; Flu Watch Group; Wood, James LN; Combating Swine Influenza (COSI) Consortium
  • Antibiotic prescribing in patients with self-reported sore throat. (2016) Mehta, Nishchay; Schilder, Anne; Fragaszy, Ellen; E R Evans, Hannah; Dukes, Oliver; Manikam, Logan; Little, Paul; Smith, Sarah C; Hayward, Andrew
  • Investigating obesity as a risk factor for influenza-like illness during the 2009 H1N1 influenza pandemic using the Health Survey for England. (2016) Murphy, Rachel; Fragaszy, Ellen B; Hayward, Andrew C; Warren-Gash, Charlotte
  • 2015
  • Serum Albumin Concentrations in a Multi-Ethnic Cohort of Patients with Human Immunodeficiency Virus Infection from South East London. (2015) Chong, James Jy; Fragaszy, Ellen; Dukes, Oliver; Cason, John; Kozlakidis, Zisis
  • Population-level susceptibility, severity and spread of pandemic influenza: design of, and initial results from, a pre-pandemic and hibernating pandemic phase study using cross-sectional data from the Health Survey for England (HSE). (2015) Fragaszy, Ellen B; Quinlivan, Mark; Breuer, Judith; Craig, Rachel; Hutchings, Stephanie; Kidd, Michael; Mindell, Jennifer; Hayward, Andrew C
  • Natural T Cell-mediated Protection against Seasonal and Pandemic Influenza. Results of the Flu Watch Cohort Study. (2015) Hayward, Andrew C; Wang, Lili; Goonetilleke, Nilu; Fragaszy, Ellen B; Bermingham, Alison; Copas, Andrew; Dukes, Oliver; Millett, Elizabeth RC; Nazareth, Irwin; Nguyen-Van-Tam, Jonathan S; Watson, John M; Zambon, Maria; Flu Watch Group; Johnson, Anne M; McMichael, Andrew J
  • 2014
  • Emerging respiratory infections: influenza, MERS-CoV, and extensively drug-resistant tuberculosis. (2014) Fragaszy, Ellen; Hayward, Andrew
  • Comparative community burden and severity of seasonal and pandemic influenza: results of the Flu Watch cohort study. (2014) Hayward, Andrew C; Fragaszy, Ellen B; Bermingham, Alison; Wang, Lili; Copas, Andrew; Edmunds, W John; Ferguson, Neil; Goonetilleke, Nilu; Harvey, Gabrielle; Kovar, Jana; Lim, Megan SC; McMichael, Andrew; Millett, Elizabeth RC; Nguyen-Van-Tam, Jonathan S; Nazareth, Irwin; Pebody, Richard; Tabassum, Faiza; Watson, John M; Wurie, Fatima B; Johnson, Anne M; Zambon, Maria; Flu Watch Group picture_as_pdf
  • 2012
  • The role of the Panton-Valentine leucocidin toxin in staphylococcal disease: a systematic review and meta-analysis. (2012) Shallcross, Laura J; Fragaszy, Ellen; Johnson, Anne M; Hayward, Andrew C
  • Hand hygiene to reduce community transmission of influenza and acute respiratory tract infection: a systematic review. (2012) Warren-Gash, Charlotte; Fragaszy, Ellen; Hayward, Andrew C
  • 2010
  • Technical note: Assessment of blinding of hand hygiene observers in randomized controlled trials of hand hygiene interventions. (2010) Fuller, Chris; Besser, Sarah; Cookson, Barry D; Fragaszy, Ellen; Gardiner, Julian; McAteer, John; Michie, Susan; Savage, Joanne; Stone, Sheldon P