Search Results - "Lopez Bernal, Jamie"

Effectiveness of COVID-19 booster vaccines against COVID-19-related symptoms, hospitalization and death in England by Andrews, Nick, Stowe, Julia, Kirsebom, Freja, Toffa, Samuel, Sachdeva, Ruchira, Gower, Charlotte, Ramsay, Mary, Lopez Bernal, Jamie

“…Booster vaccination with messenger RNA (mRNA) vaccines has been offered to adults in England starting on 14 September 2021. We used a test-negative…”
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SARS-CoV-2 infection and transmission in educational settings: a prospective, cross-sectional analysis of infection clusters and outbreaks in England by Ismail, Sharif A, Saliba, Vanessa, Lopez Bernal, Jamie, Ramsay, Mary E, Ladhani, Shamez N

“…Understanding severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection and transmission in educational settings is crucial for ensuring the…”
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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 by Lopez Bernal, Jamie, Andrews, Nick, Gower, Charlotte, Robertson, Chris, Stowe, Julia, Tessier, Elise, Simmons, Ruth, Cottrell, Simon, Roberts, Richard, O'Doherty, Mark, Brown, Kevin, Cameron, Claire, Stockton, Diane, McMenamin, Jim, Ramsay, Mary

“…To estimate the real world effectiveness of the Pfizer-BioNTech BNT162b2 and Oxford-AstraZeneca ChAdOx1-S vaccines against confirmed covid-19 symptoms…”
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Risk factors for SARS-CoV-2 among patients in the Oxford Royal College of General Practitioners Research and Surveillance Centre primary care network: a cross-sectional study by de Lusignan, Simon, Dorward, Jienchi, Correa, Ana, Jones, Nicholas, Akinyemi, Oluwafunmi, Amirthalingam, Gayatri, Andrews, Nick, Byford, Rachel, Dabrera, Gavin, Elliot, Alex, Ellis, Joanna, Ferreira, Filipa, Lopez Bernal, Jamie, Okusi, Cecilia, Ramsay, Mary, Sherlock, Julian, Smith, Gillian, Williams, John, Howsam, Gary, Zambon, Maria, Joy, Mark, Hobbs, F D Richard

“…There are few primary care studies of the COVID-19 pandemic. We aimed to identify demographic and clinical risk factors for testing positive for severe acute…”
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Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant by Lopez Bernal, Jamie, Andrews, Nick, Gower, Charlotte, Gallagher, Eileen, Simmons, Ruth, Thelwall, Simon, Stowe, Julia, Tessier, Elise, Groves, Natalie, Dabrera, Gavin, Myers, Richard, Campbell, Colin N.J, Amirthalingam, Gayatri, Edmunds, Matt, Zambon, Maria, Brown, Kevin E, Hopkins, Susan, Chand, Meera, Ramsay, Mary

“…The B.1.617.2 (delta) Covid-19 variant has surged in India and spread worldwide. In a test-negative case–control study, the effectiveness of two doses of…”
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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 by Nyberg, Tommy, Ferguson, Neil M, Nash, Sophie G, Webster, Harriet H, Flaxman, Seth, Andrews, Nick, Hinsley, Wes, Bernal, Jamie Lopez, Kall, Meaghan, Bhatt, Samir, Blomquist, Paula, Zaidi, Asad, Volz, Erik, Aziz, Nurin Abdul, Harman, Katie, Funk, Sebastian, Abbott, Sam, Nyberg, Tommy, Ferguson, Neil M, Nash, Sophie G, Webster, Harriet H, Flaxman, Seth, Andrews, Nick, Hinsley, Wes, Lopez Bernal, Jamie, Kall, Meaghan, Bhatt, Samir, Blomquist, Paula, Zaidi, Asad, Volz, Erik, Abdul Aziz, Nurin, Harman, Katie, Funk, Sebastian, Abbott, Sam, Hope, Russell, Charlett, Andre, Chand, Meera, Ghani, Azra C, Seaman, Shaun R, Dabrera, Gavin, De Angelis, Daniela, Presanis, Anne M, Thelwall, Simon, Hope, Russell, Charlett, Andre, Chand, Meera, Ghani, Azra C, Seaman, Shaun R, Dabrera, Gavin, De Angelis, Daniela, Presanis, Anne M, Thelwall, Simon

“…The omicron variant (B.1.1.529) of SARS-CoV-2 has demonstrated partial vaccine escape and high transmissibility, with early studies indicating lower severity…”
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Duration of Protection against Mild and Severe Disease by Covid-19 Vaccines by Andrews, Nick, Tessier, Elise, Stowe, Julia, Gower, Charlotte, Kirsebom, Freja, Simmons, Ruth, Gallagher, Eileen, Thelwall, Simon, Groves, Natalie, Dabrera, Gavin, Myers, Richard, Campbell, Colin N.J, Amirthalingam, Gayatri, Edmunds, Matt, Zambon, Maria, Brown, Kevin, Hopkins, Susan, Chand, Meera, Ladhani, Shamez N, Ramsay, Mary, Lopez Bernal, Jamie

“…A test-negative case–control study involving more than 6 million persons in England who received two doses of the ChAdOx1-S or BNT162b2 vaccine (interval, 3 to…”
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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 by Shrotri, Madhumita, Krutikov, Maria, Palmer, Tom, Giddings, Rebecca, Azmi, Borscha, Subbarao, Sathyavani, Fuller, Christopher, Irwin-Singer, Aidan, Davies, Daniel, Tut, Gokhan, Lopez Bernal, Jamie, Moss, Paul, Hayward, Andrew, Copas, Andrew, Shallcross, Laura

“…The effectiveness of SARS-CoV-2 vaccines in older adults living in long-term care facilities is uncertain. We investigated the protective effect of the first…”
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Duration of protection of ancestral-strain monovalent vaccines and effectiveness of bivalent BA.1 boosters against COVID-19 hospitalisation in England: a test-negative case-control study by Kirsebom, Freja Cordelia Møller, Andrews, Nick, Stowe, Julia, Ramsay, Mary, Lopez Bernal, Jamie

“…Bivalent BA.1 booster vaccines were offered to adults aged 50 years or older and clinically vulnerable people as part of the 2022 autumn COVID-19 booster…”
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Interactions between SARS-CoV-2 and influenza, and the impact of coinfection on disease severity: a test-negative design by Stowe, Julia, Tessier, Elise, Zhao, H, Guy, Rebecca, Muller-Pebody, Berit, Zambon, Maria, Andrews, Nick, Ramsay, Mary, Lopez Bernal, Jamie

“…Abstract Background The impact of SARS-CoV-2 alongside influenza is a major concern in the northern hemisphere as winter approaches. Methods Test data for…”
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Effectiveness of ChAdOx1-S COVID-19 booster vaccination against the Omicron and Delta variants in England by Kirsebom, Freja Cordelia Møller, Andrews, Nick, Sachdeva, Ruchira, Stowe, Julia, Ramsay, Mary, Lopez Bernal, Jamie

“…Despite the availability of the ChAdOx1-S booster vaccine, little is known about the real-world effectiveness although clinical trials have demonstrated…”
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COVID‐19 Vaccine Safety in Pregnancy, A Nested Case–Control Study in Births From April 2021 to March 2022, England by Mensah, Anna A., Stowe, Julia, Jardine, Jennifer E., Kirsebom, Freja C. M., Clare, Tom, Kall, Meaghan, Campbell, Helen, Lopez‐Bernal, Jamie, Andrews, Nick

“…ABSTRACT Objective Assessment of COVID‐19 vaccine safety in pregnancy using population‐based data. Design Matched case–control study nested in a retrospective…”
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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 by Nyberg, Tommy, Harman, Katie, Zaidi, Asad, Seaman, Shaun R, Andrews, Nick, Nash, Sophie G, Charlett, Andre, Lopez Bernal, Jamie, Myers, Richard, Groves, Natalie, Gallagher, Eileen, Gharbia, Saheer, Chand, Meera, Thelwall, Simon, De Angelis, Daniela, Dabrera, Gavin, Presanis, Anne M

“…Abstract To investigate if the AY.4.2 sublineage of the SARS-CoV-2 delta variant is associated with hospitalization and mortality risks that differ from…”
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Transmission dynamics of COVID-19 in household and community settings in the United Kingdom, January to March 2020 by Lopez Bernal, Jamie, Panagiotopoulos, Nikolaos, Byers, Chloe, Garcia Vilaplana, Tatiana, Boddington, Nicki, Zhang, Xu-Sheng, Charlett, Andre, Elgohari, Suzanne, Coughlan, Laura, Whillock, Rosie, Logan, Sophie, Bolt, Hikaru, Sinnathamby, Mary, Letley, Louise, MacDonald, Pauline, Vivancos, Roberto, Edeghere, Obaghe, Anderson, Charlotte, Paranthaman, Karthik, Cottrell, Simon, McMenamin, Jim, Zambon, Maria, Dabrera, Gavin, Ramsay, Mary, Saliba, Vanessa

“…BackgroundHouseholds appear to be the highest risk setting for COVID-19 transmission. Large household transmission studies in the early stages of the pandemic…”
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Emergence of a Novel Coronavirus (COVID-19): Protocol for Extending Surveillance Used by the Royal College of General Practitioners Research and Surveillance Centre and Public Health England by de Lusignan, Simon, Lopez Bernal, Jamie, Zambon, Maria, Akinyemi, Oluwafunmi, Amirthalingam, Gayatri, Andrews, Nick, Borrow, Ray, Byford, Rachel, Charlett, André, Dabrera, Gavin, Ellis, Joanna, Elliot, Alex J, Feher, Michael, Ferreira, Filipa, Krajenbrink, Else, Leach, Jonathan, Linley, Ezra, Liyanage, Harshana, Okusi, Cecilia, Ramsay, Mary, Smith, Gillian, Sherlock, Julian, Thomas, Nicholas, Tripathy, Manasa, Williams, John, Howsam, Gary, Joy, Mark, Hobbs, Richard

“…The Royal College of General Practitioners (RCGP) Research and Surveillance Centre (RSC) and Public Health England (PHE) have successfully worked together on…”
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Interim 2023/2024 Season Influenza Vaccine Effectiveness in Primary and Secondary Care in the United Kingdom by Whitaker, Heather, Findlay, Beth, Zitha, Jana, Goudie, Rosalind, Hassell, Katie, Evans, Josie, Kalapotharakou, Panoraia, Agrawal, Utkarsh, Kele, Beatrix, Hamilton, Mark, Moore, Catherine, Byford, Rachel, Stowe, Julia, Robertson, Chris, Couzens, Anastasia, Jamie, Gavin, Hoschler, Katja, Pheasant, Kathleen, Button, Elizabeth, Quinot, Catherine, Jones, Tim, Anand, Sneha, Watson, Conall, Andrews, Nick, Lusignan, Simon, Zambon, Maria, Williams, Christopher, Cottrell, Simon, Marsh, Kimberly, McMenamin, Jim, Lopez Bernal, Jamie

“…ABSTRACT Background We report 2023/2024 season interim influenza vaccine effectiveness for three studies, namely, primary care in Great Britain, hospital…”
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Duration of infectiousness and correlation with RT-PCR cycle threshold values in cases of COVID-19, England, January to May 2020 by Singanayagam, Anika, Patel, Monika, Charlett, Andre, Lopez Bernal, Jamie, Saliba, Vanessa, Ellis, Joanna, Ladhani, Shamez, Zambon, Maria, Gopal, Robin

“…Severe acute respiratory syndrome coronavirus 2 viral load in the upper respiratory tract peaks around symptom onset and infectious virus persists for 10 days…”
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The Oxford Royal College of General Practitioners Clinical Informatics Digital Hub: Protocol to Develop Extended COVID-19 Surveillance and Trial Platforms by de Lusignan, Simon, Jones, Nicholas, Dorward, Jienchi, Byford, Rachel, Liyanage, Harshana, Briggs, John, Ferreira, Filipa, Akinyemi, Oluwafunmi, Amirthalingam, Gayatri, Bates, Chris, Lopez Bernal, Jamie, Dabrera, Gavin, Eavis, Alex, Elliot, Alex J, Feher, Michael, Krajenbrink, Else, Hoang, Uy, Howsam, Gary, Leach, Jonathan, Okusi, Cecilia, Nicholson, Brian, Nieri, Philip, Sherlock, Julian, Smith, Gillian, Thomas, Mark, Thomas, Nicholas, Tripathy, Manasa, Victor, William, Williams, John, Wood, Ian, Zambon, Maria, Parry, John, O'Hanlon, Shaun, Joy, Mark, Butler, Chris, Marshall, Martin, Hobbs, F D Richard

“…Routinely recorded primary care data have been used for many years by sentinel networks for surveillance. More recently, real world data have been used for a…”
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Effectiveness of Covid-19 Vaccines against the B.1.617.2 (Delta) Variant. Reply by Lopez Bernal, Jamie, Gower, Charlotte, Andrews, Nick

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Effectiveness of COVID-19 vaccines against Omicron and Delta hospitalisation, a test negative case-control study by Stowe, Julia, Andrews, Nick, Kirsebom, Freja, Ramsay, Mary, Bernal, Jamie Lopez

“…The Omicron variant has been associated with reduced vaccine effectiveness (VE) against mild disease with rapid waning. Meanwhile Omicron has also been…”
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