Cycle Threshold Values as Indication of Increasing SARS-CoV-2 New Variants, England, 2020–2022

by Rebecca E. Harrison, Ahmed Hamada, Nujcharee Haswell, Aigul Groves, Karina-Doris Vihta, Kerry Cella, Sarah Garner, Ann Sarah Walker, Anna C. Seale
Published 2023-10-01

Diversity of symptom phenotypes in SARS-CoV-2 community infections observed in multiple large datasets

by Martyn Fyles, Karina-Doris Vihta, Carole H Sudre, Harry Long, Rajenki Das, Caroline Jay, Tom Wingfield, Fergus Cumming, William Green, Pantelis Hadjipantelis, Joni Kirk, Claire J Steves, Sebastien Ourselin, Graham F Medley, Elizabeth Fearon, Thomas House
Published 2023-12-01

Ten-year longitudinal molecular epidemiology study of Escherichia coli and Klebsiella species bloodstream infections in Oxfordshire, UK

by Samuel Lipworth, Karina-Doris Vihta, Kevin Chau, Leanne Barker, Sophie George, James Kavanagh, Timothy Davies, Alison Vaughan, Monique Andersson, Katie Jeffery, Sarah Oakley, Marcus Morgan, Susan Hopkins, Timothy E. A. Peto, Derrick W. Crook, Ann Sarah Walker, Nicole Stoesser
Published 2021-09-01

Antimicrobial resistance in commensal opportunistic pathogens isolated from non-sterile sites can be an effective proxy for surveillance in bloodstream infections

by Karina-Doris Vihta, Nicola Claire Gordon, Nicole Stoesser, T. Phuong Quan, Carina S. B. Tyrrell, Manivanh Vongsouvath, Elizabeth A. Ashley, Vilada Chansamouth, Paul Turner, Clare L. Ling, David W. Eyre, Nicholas J. White, Derrick Crook, Tim E. A. Peto, Ann Sarah Walker
Published 2021-12-01

The plasmidome associated with Gram-negative bloodstream infections: A large-scale observational study using complete plasmid assemblies

by Samuel Lipworth, William Matlock, Liam Shaw, Karina-Doris Vihta, Gillian Rodger, Kevin Chau, Leanne Barker, Sophie George, James Kavanagh, Timothy Davies, Alison Vaughan, Monique Andersson, Katie Jeffery, Sarah Oakley, Marcus Morgan, Susan Hopkins, Timothy Peto, Derrick Crook, A. Sarah Walker, Nicole Stoesser
Published 2024-02-01

Molecular epidemiology and antimicrobial resistance phenotype of paediatric bloodstream infections caused by Gram-negative bacteria

by Sam Lipworth, Karina-Doris Vihta, Tim Davies, Sarah Wright, Merline Tabirao, Kevin Chau, Alison Vaughan, James Kavanagh, Leanne Barker, Sophie George, Shelley Segal, Stephane Paulus, Lucinda Barrett, Sarah Oakley, Katie Jeffery, Lisa Butcher, Tim Peto, Derrick Crook, Sarah Walker, Seilesh Kadambari, Nicole Stoesser
Published 2022-08-01

Author Correction: The plasmidome associated with Gram-negative bloodstream infections: a large-scale observational study using complete plasmid assemblies

by Samuel Lipworth, William Matlock, Liam Shaw, Karina-Doris Vihta, Gillian Rodger, Kevin Chau, Leanne Barker, Sophie George, James Kavanagh, Timothy Davies, Alison Vaughan, Monique Andersson, Katie Jeffery, Sarah Oakley, Marcus Morgan, Susan Hopkins, Timothy Peto, Derrick Crook, A. Sarah Walker, Nicole Stoesser
Published 2024-04-01

SARS-CoV-2, influenza A/B and respiratory syncytial virus positivity and association with influenza-like illness and self-reported symptoms, over the 2022/23 winter season in the U...

by Elisabeth Dietz, Emma Pritchard, Koen Pouwels, Muhammad Ehsaan, Joshua Blake, Charlotte Gaughan, Eric Haduli, Hugh Boothe, Karina-Doris Vihta, Tim Peto, Nicole Stoesser, Philippa Matthews, Nick Taylor, Ian Diamond, Ruth Studley, Emma Rourke, Paul Birrell, Daniela De Angelis, Tom Fowler, Conall Watson, David Eyre, Thomas House, Ann Sarah Walker
Published 2024-03-01

Ct threshold values, a proxy for viral load in community SARS-CoV-2 cases, demonstrate wide variation across populations and over time

by A Sarah Walker, Emma Pritchard, Thomas House, Julie V Robotham, Paul J Birrell, Iain Bell, John I Bell, John N Newton, Jeremy Farrar, Ian Diamond, Ruth Studley, Jodie Hay, Karina-Doris Vihta, Timothy EA Peto, Nicole Stoesser, Philippa C Matthews, David W Eyre, Koen B Pouwels, COVID-19 Infection Survey team
Published 2021-07-01

Monitoring populations at increased risk for SARS-CoV-2 infection in the community using population-level demographic and behavioural surveillance

by Emma Pritchard, Joel Jones, Karina-Doris Vihta, Nicole Stoesser, Prof Philippa C. Matthews, David W. Eyre, Thomas House, John I Bell, Prof John N Newton, Jeremy Farrar, Prof Derrick Crook, Susan Hopkins, Duncan Cook, Emma Rourke, Ruth Studley, Prof Ian Diamond, Prof Tim Peto, Koen B. Pouwels, Prof A. Sarah Walker
Published 2022-02-01