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  1. Article ; Online: An outbreak of

    Adamson, James P / Sawyer, Clare / Hobson, Gemma / Clark, Emily / Fina, Laia / Orife, Oghogho / Smith, Robert / Williams, Chris / Hughes, Harriet / Jones, Allyson / Swaysland, Sarah / Somoye, Oluwaseun / Phillips, Ryan / Iqbal, Junaid / Mohammed, Israa / Karani, George / Thomas, Daniel Rhys

    Epidemiology and infection

    2023  Volume 152, Page(s) e6

    Abstract: In July 2021, Public Health Wales received two notifications of salmonella gastroenteritis. Both cases has attended the same barbecue to celebrate Eid al-Adha, two days earlier. Additional cases attending the same barbecue were found and an outbreak ... ...

    Abstract In July 2021, Public Health Wales received two notifications of salmonella gastroenteritis. Both cases has attended the same barbecue to celebrate Eid al-Adha, two days earlier. Additional cases attending the same barbecue were found and an outbreak investigation was initiated. The barbecue was attended by a North African community's social network. On same day, smaller lunches were held in three homes in the social network. Many people attended both a lunch and the barbecue. Cases were defined as someone with an epidemiological link to the barbecue and/or lunches with diarrhoea and/or vomiting with date of onset following these events. We undertook a cohort study of 36 people attending the barbecue and/or lunch, and a nested case-control study using Firth logistic regression. A communication campaign, sensitive towards different cultural practices, was developed in collaboration with the affected community. Consumption of a traditional raw liver dish, 'marrara', at the barbecue was the likely vehicle for infection (Firth logistic regression, aOR: 49.99, 95%CI 1.71-1461.54,
    MeSH term(s) Humans ; Salmonella typhimurium ; Case-Control Studies ; Wales/epidemiology ; Cohort Studies ; Salmonella Food Poisoning/epidemiology ; Disease Outbreaks ; Liver
    Language English
    Publishing date 2023-11-30
    Publishing country England
    Document type Journal Article
    ZDB-ID 632982-2
    ISSN 1469-4409 ; 0950-2688
    ISSN (online) 1469-4409
    ISSN 0950-2688
    DOI 10.1017/S0950268823001887
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  2. Article ; Online: Social, demographic and behavioural determinants of SARS-CoV-2 infection: a case-control study carried out during mass community testing of asymptomatic individuals in South Wales, December 2020.

    Thomas, Daniel Rh / Fina, Laia Homar / Adamson, James P / Sawyer, Clare / Jones, Angela / Nnoaham, Kelechi / Barrasa, Alicia / Shankar, A Giri / Williams, Chris J

    Epidemiology and infection

    2022  Volume 150, Page(s) e115

    Abstract: Between 21 November and 22 December 2020, a SARS-CoV-2 community testing pilot took place in the South Wales Valleys. We conducted a case-control study in adults taking part in the pilot using an anonymous online questionnaire. Social, demographic and ... ...

    Abstract Between 21 November and 22 December 2020, a SARS-CoV-2 community testing pilot took place in the South Wales Valleys. We conducted a case-control study in adults taking part in the pilot using an anonymous online questionnaire. Social, demographic and behavioural factors were compared in people with a positive lateral flow test (cases) and a sample of negatives (controls). A total of 199 cases and 2621 controls completed a questionnaire (response rates: 27.1 and 37.6% respectively). Following adjustment, cases were more likely to work in the hospitality sector (aOR 3.39, 95% CI 1.43-8.03), social care (aOR 2.63, 1.22-5.67) or healthcare (aOR 2.31, 1.29-4.13), live with someone self-isolating due to contact with a case (aOR 3.07, 2.03-4.62), visit a pub (aOR 2.87, 1.11-7.37) and smoke or vape (aOR 1.54, 1.02-2.32). In this community, and at this point in the epidemic, reducing transmission from a household contact who is self-isolating would have the biggest public health impact (population-attributable fraction: 0.2). As restrictions on social mixing are relaxed, hospitality venues will become of greater public health importance, and those working in this sector should be adequately protected. Smoking or vaping may be an important modifiable risk factor.
    MeSH term(s) Adult ; COVID-19/epidemiology ; COVID-19 Testing ; Case-Control Studies ; Demography ; Humans ; SARS-CoV-2
    Language English
    Publishing date 2022-05-10
    Publishing country England
    Document type Journal Article ; Research Support, Non-U.S. Gov't
    ZDB-ID 632982-2
    ISSN 1469-4409 ; 0950-2688
    ISSN (online) 1469-4409
    ISSN 0950-2688
    DOI 10.1017/S0950268822000620
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  3. Article ; Online: A genetically related cluster of Salmonella Typhimurium cases in humans associated with ruminant livestock and related food chains, United Kingdom, August 2021-December 2022.

    Merrick, Rachel / Pulford, Caisey / Rubeshkumar, Polani / Seyan, Parnam / Fina, Laia / Sawyer, Clare / Pacchiarini, Nicole / Pollock, Carrie / Lighthill, Jonathan / Potter, Tina / Harvey, Nathan / Thomas, Kara / Lloyd, Daniel / Gherman, Iulia / Mackintosh, Adrienne / Lawes, Joanna / Snow, Lucy / Waldram, Alison / Larkin, Lesley /
    Balasegaram, Sooria / Painset, Anais / McCormick, Jacquelyn / Elson, Richard / Browning, Lynda / Williams, Christopher / Andrew, Rachel / Mably, Susan / Thomas, Daniel

    Epidemiology and infection

    2024  , Page(s) 1–22

    Language English
    Publishing date 2024-04-16
    Publishing country England
    Document type Journal Article
    ZDB-ID 632982-2
    ISSN 1469-4409 ; 0950-2688
    ISSN (online) 1469-4409
    ISSN 0950-2688
    DOI 10.1017/S095026882400030X
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  4. Article ; Online: Social, demographic and behavioural determinants of SARS-CoV-2 infection: A case-control study carried out during mass community testing of asymptomatic individuals in South Wales, December 2020

    Thomas, Daniel Rhys / Fina, Laia / Adamson, James / Sawyer, Clare / Jones, Angela / Nnoaham, Kelechi / Barrasa, Alicia / Shankar, Giri / Williams, Christopher

    medRxiv

    Abstract: Background Between 21 November and 22 December 2020, a SARS-CoV-2 community testing pilot took place in the South Wales Valleys. Lateral flow tests were offered to all people aged over 10 years living, studying or working in the area. Methods We ... ...

    Abstract Background Between 21 November and 22 December 2020, a SARS-CoV-2 community testing pilot took place in the South Wales Valleys. Lateral flow tests were offered to all people aged over 10 years living, studying or working in the area. Methods We conducted a case-control study in adults taking part in the pilot using an anonymous online questionnaire. Social, demographic and behavioural factors were compared in people with a positive test (cases) and a sample of negatives (controls). Population attributable fractions (PAF) were calculated for factors with significantly increased odds following multivariate analysis. Results A total of 199 cases and 2,621 controls were recruited by SMS (response rates: 27.1% and 37.6% respectively). Following adjustment, cases were more likely to work in the hospitality sector (aOR: 3.39, 95% CI: 1.43-8.03), social care (aOR: 2.63, 95% CI: 1.22-5.67) or healthcare (aOR: 2.31, 95% CI: 1.29-4.13), live with someone self-isolating due to contact with a case (aOR: 3.07, 95% CI: 2.03-4.62), visit a pub (aOR: 2.87, 95% CI: 1.11-7.37), and smoke or vape (aOR: 1.54, 95% CI: 1.02-2.32). In this community, and at this point in the epidemic, reducing transmission from a household contact who is self-isolating would have the biggest public health impact (PAF: 0.2). Conclusion Infection prevention and control should be strengthened to help reduce household transmission. As restrictions on social mixing are relaxed, hospitality venues will become of greater public health importance, and those working in this sector should be adequately protected. Smoking or vaping may be an important modifiable risk factor.
    Keywords covid19
    Language English
    Publishing date 2021-04-09
    Publisher Cold Spring Harbor Laboratory Press
    Document type Article ; Online
    DOI 10.1101/2021.04.06.21253465
    Database COVID19

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  5. Article ; Online: Early experience of implementing a national HIV pre-exposure prophylaxis service in Wales, United Kingdom 2017.

    Fina, Laia / Phillips, Amy L / Jones, Adam T / Couzens, Zoë M / Drayton, Rachel / Thomas, Daniel Rh / Shankar, Ananda Giri

    Sexual health

    2018  Volume 16, Issue 1, Page(s) 56–62

    Abstract: Background Pre-exposure prophylaxis (PrEP) was introduced in Sexual Health Services of the Welsh National Health Service (NHS Wales) in July 2017 as a 3-year pilot service.: Methods: Data were collected through the pre-existing Sexual Health in Wales ... ...

    Abstract Background Pre-exposure prophylaxis (PrEP) was introduced in Sexual Health Services of the Welsh National Health Service (NHS Wales) in July 2017 as a 3-year pilot service.
    Methods: Data were collected through the pre-existing Sexual Health in Wales Surveillance System, to which codes were added to capture PrEP eligibility, outcome of offer of PrEP, reasons for declining and adherence. Eligibility categories were defined based on nationally agreed criteria: men who have sex with men (MSM) and transgender people at high risk of HIV acquisition; partners of HIV-positive individuals not known to be virally suppressed; and heterosexuals reporting condomless intercourse with a HIV-positive individual not known to be virally suppressed.
    Results: During the first 6 months, 516 people were eligible, 96% of which were MSM. Overall, 57% of those eligible (296/516) started PrEP. Reasons for declining PrEP were given by 88 (56%) of 157 people; 50 (57%) of whom did not believe themselves to be at risk. Of the available adherence assessments, 89% considered that all risk episodes had been covered. Persistence at 3 months was assessed for 141 people, of which 93 (66%) were still using PrEP. There were no HIV diagnoses in people taking PrEP during the first 6 months. Twenty-nine people were diagnosed with 37 episodes of sexually transmissible infections (STIs) while on PrEP. STI incidence was 105.7 per 100 person-years.
    Conclusions: The early trend indicates that implementation of PrEP is progressing as planned, and the service has been utilised by clients. This analysis can help refine implementation, inform planning and research around uptake, use and effect in Wales and internationally.
    MeSH term(s) Adolescent ; Adult ; Aged ; Aged, 80 and over ; Anti-HIV Agents/administration & dosage ; Emtricitabine, Tenofovir Disoproxil Fumarate Drug Combination/administration & dosage ; Female ; HIV Infections/prevention & control ; Health Plan Implementation ; Homosexuality, Male ; Humans ; Male ; Medication Adherence ; Middle Aged ; National Health Programs ; Pilot Projects ; Pre-Exposure Prophylaxis ; Program Evaluation ; Sexual Partners ; Transgender Persons ; Wales/epidemiology ; Young Adult
    Chemical Substances Anti-HIV Agents ; Emtricitabine, Tenofovir Disoproxil Fumarate Drug Combination
    Language English
    Publishing date 2018-11-30
    Publishing country Australia
    Document type Journal Article
    ZDB-ID 2256731-8
    ISSN 1449-8987 ; 1448-5028
    ISSN (online) 1449-8987
    ISSN 1448-5028
    DOI 10.1071/SH18091
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  6. Article ; Online: Outbreak of syphilis in men who have sex with men living in rural North Wales (UK) associated with the use of social media.

    Thomas, Daniel Rh / Williams, Christopher J / Andrady, Ushan / Anderson, Valerie / Humphreys, Sioned / Midgley, Claire M / Fina, Laia / Craine, Noel / Porter-Jones, Gary / Wilde, Alison / Whiteside, Chris

    Sexually transmitted infections

    2016  Volume 92, Issue 5, Page(s) 359–364

    Abstract: Objectives: To describe an outbreak of infectious syphilis in rural North Wales and the control measures implemented.: Methods: Following reports of an increase of syphilis in North Wales, a multidisciplinary Outbreak Control Team (OCT) was ... ...

    Abstract Objectives: To describe an outbreak of infectious syphilis in rural North Wales and the control measures implemented.
    Methods: Following reports of an increase of syphilis in North Wales, a multidisciplinary Outbreak Control Team (OCT) was established. A multilevel prevention and control response was initiated, including: active case surveillance, partner notification and treatment, sexual network analysis, awareness raising with professionals and affected communities, point-of-care syphilis testing at a sauna and a health promotion campaign targeting users of men who have sex with men (MSM) social network mobile phone applications (apps).
    Results: Four cases of infectious syphilis were diagnosed in clinics in North Wales per 100 000 population in 2013 compared with a mean of one case per 100 000 in the preceding decade. Diagnosed cases peaked in January 2014, declining in the first half of 2014. Initial cases were clustered in the westerly rural counties of North Wales and were predominantly white men, self-reporting as MSM (median age: 34 years, range: 17-61). Point-of-care testing at a sauna did not identity further new infections, suggesting that the cluster was relatively focused and had probably been detected early. The use of apps to find sexual partners was a feature of the network affected. A health promotion campaign, initiated by the OCT, targeting men using MSM apps reached 92% of the 755 men messaged.
    Conclusions: The outbreak was successfully controlled. However, it is difficult to determine which of the interventions implemented were most effective. Future outbreaks should be used as an opportunity to evaluate interventions using apps.
    MeSH term(s) Adolescent ; Adult ; Contact Tracing/instrumentation ; Contact Tracing/methods ; Disease Outbreaks/prevention & control ; Disease Outbreaks/statistics & numerical data ; Health Promotion/methods ; Homosexuality, Male ; Humans ; Male ; Middle Aged ; Point-of-Care Testing ; Population Surveillance ; Rural Population ; Sexual Behavior ; Sexual Partners/psychology ; Social Media/utilization ; Syphilis/epidemiology ; Syphilis/prevention & control ; Syphilis/psychology ; Wales/epidemiology ; Young Adult
    Language English
    Publishing date 2016-08
    Publishing country England
    Document type Journal Article
    ZDB-ID 1420303-0
    ISSN 1472-3263 ; 1368-4973
    ISSN (online) 1472-3263
    ISSN 1368-4973
    DOI 10.1136/sextrans-2015-052323
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  7. Article ; Online: Factors that influence current tuberculosis epidemiology.

    Millet, Juan-Pablo / Moreno, Antonio / Fina, Laia / del Baño, Lucía / Orcau, Angels / de Olalla, Patricia García / Caylà, Joan A

    European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society

    2012  Volume 22 Suppl 4, Page(s) 539–548

    Abstract: According to WHO estimates, in 2010 there were 8.8 million new cases of tuberculosis (TB) and 1.5 million deaths. TB has been classically associated with poverty, overcrowding and malnutrition. Low income countries and deprived areas, within big cities ... ...

    Abstract According to WHO estimates, in 2010 there were 8.8 million new cases of tuberculosis (TB) and 1.5 million deaths. TB has been classically associated with poverty, overcrowding and malnutrition. Low income countries and deprived areas, within big cities in developed countries, present the highest TB incidences and TB mortality rates. These are the settings where immigration, important social inequalities, HIV infection and drug or alcohol abuse may coexist, all factors strongly associated with TB. In spite of the political, economical, research and community efforts, TB remains a major global health problem worldwide. Moreover, in this new century, new challenges such as multidrug-resistance extension, migration to big cities and the new treatments with anti-tumour necrosis alpha factor for inflammatory diseases have emerged and threaten the decreasing trend in the global number of TB cases in the last years. We must also be aware about the impact that smoking and diabetes pandemics may be having on the incidence of TB. The existence of a good TB Prevention and Control Program is essential to fight against TB. The coordination among clinicians, microbiologists, epidemiologists and others, and the link between surveillance, control and research should always be a priority for a TB Program. Each city and country should define their needs according to the epidemiological situation. Local TB control programs will have to adapt to any new challenge that arises in order to respond to the needs of their population.
    MeSH term(s) Global Health ; Humans ; Tuberculosis/epidemiology
    Language English
    Publishing date 2012-05-08
    Publishing country Germany
    Document type Journal Article ; Review
    ZDB-ID 1115375-1
    ISSN 1432-0932 ; 0940-6719
    ISSN (online) 1432-0932
    ISSN 0940-6719
    DOI 10.1007/s00586-012-2334-8
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  8. Article ; Online: Evaluating the Effects of SARS-CoV-2 Spike Mutation D614G on Transmissibility and Pathogenicity

    Volz, Erik / Hill, Verity / McCrone, John T. / Price, Anna / Jorgensen, David / O’Toole, Áine / Southgate, Joel / Johnson, Robert / Jackson, Ben / Nascimento, Fabricia F. / Rey, Sara M. / Nicholls, Samuel M. / Colquhoun, Rachel M. / da Silva Filipe, Ana / Shepherd, James / Pascall, David J. / Shah, Rajiv / Jesudason, Natasha / Li, Kathy /
    Jarrett, Ruth / Pacchiarini, Nicole / Bull, Matthew / Geidelberg, Lily / Siveroni, Igor / Goodfellow, Ian / Loman, Nicholas J. / Pybus, Oliver G. / Robertson, Dave / Thomson, Emma C. / Rambaut, Andrew / Connor, Thomas R. / Koshy, Cherian / Wise, Emma / Cortes, Nick / Lynch, Jessica / Kidd, Stephen / Mori, Matilde / Fairley, Derek J. / Curran, Tanya / McKenna, James P. / Adams, Helen / Fraser, Christophe / Golubchik, Tanya / Bonsall, David / Moore, Catrin / Caddy, Sarah L. / Khokhar, Fahad A. / Wantoch, Michelle / Reynolds, Nicola / Warne, Ben / Maksimovic, Joshua / Spellman, Karla / McCluggage, Kathryn / John, Michaela / Beér, Robert / Afifi, Safiah / Morgan, Siân / Marchbank, Angela / Kitchen, C. / Gulliver, Huw / Merrick, Ian / Guest, Martyn / Munn, Robert / Workman, Trudy / Fuller, William / Bresner, Catherine / Snell, Luke B. / Charalampous, Themoula / Nebbia, Gaia / Batra, Rahul / Edgeworth, Jonathan / Robson, Samuel C. / Beckett, Angela / Loveson, Katie F. / Aanensen, David M. / Underwood, Anthony P. / Yeats, Corin A. / Abudahab, Khalil / Taylor, Ben E.W. / Menegazzo, Mirko / Clark, Gemma / Smith, Wendy / Khakh, Manjinder / Fleming, Vicki M. / Lister, Michelle M. / Howson-Wells, Hannah C. / Berry, Louise / Boswell, Tim / Joseph, Amelia / Willingham, Iona / Bird, Paul / Helmer, Thomas / Fallon, Karlie / Holmes, Christopher / Tang, Julian / Raviprakash, Veena / Campbell, Sharon / Sheriff, Nicola / Loose, Matthew W. / Holmes, Nadine / Moore, Christopher / Carlile, Matthew / Wright, Victoria / Sang, Fei / Debebe, Johnny / Coll, Francesc / Signell, Adrian W. / Betancor, Gilberto / Wilson, Harry D. / Feltwell, Theresa / Houldcroft, Charlotte J. / Eldirdiri, Sahar / Kenyon, Anita / Davis, Thomas / Pybus, Oliver / Du Plessis, L. / Zarebski, Alex / Raghwani, Jayna / Kraemer, Moritz / Francois, Sarah / Attwood, Stephen / Vasylyeva, Tetyana / Török, Estée / Hamilton, William L. / Goodfellow, Ian G. / Hall, Grant / Jahun, Aminu S. / Chaudhry, Yasmin / Hosmillo, Myra / Pinckert, Malte L. / Georgana, Iliana / Yakovleva, Anna / Meredith, Luke W. / Moses, S. / Lowe, Hannah / Ryan, Felicity / Fisher, Chloe L. / Awan, Ali R. / Boyes, John / Breuer, Judith / Harris, Kathryn Ann / Brown, Julianne Rose / Shah, Divya / Atkinson, Laura / Lee, Jack C.D. / Alcolea-Medina, Adela / Moore, Nathan / Cortes, Nicholas / Williams, Rebecca / Chapman, Michael R. / Levett, Lisa J. / Heaney, Judith / Smith, Darren L. / Bashton, Matthew / Young, Gregory R. / Allan, John / Loh, Joshua / Randell, Paul A. / Cox, Ali / Madona, Pinglawathee / Holmes, Alison / Bolt, Frances / Price, James / Mookerjee, Siddharth / Rowan, Aileen / Taylor, Graham P. / Ragonnet-Cronin, Manon / Johnson, Rob / Boyd, Olivia / Volz, Erik M. / Brunker, Kirstyn / Smollett, Katherine L. / Quick, Joshua / McMurray, Claire / Stockton, Joanne / Nicholls, Sam / Rowe, William / Poplawski, Radoslaw / Martinez-Nunez, Rocio T. / Mason, Jenifer / Robinson, Trevor I. / O'Toole, Elaine / Watts, Joanne / Breen, Cassie / Cowell, Angela / Ludden, Catherine / Sluga, Graciela / Machin, Nicholas W. / Ahmad, Shazaad S.Y. / George, Ryan P. / Halstead, Fenella / Sivaprakasam, Venkat / Shepherd, James G. / Asamaphan, Patawee / Niebel, Marc O. / Li, Kathy K. / Shah, Rajiv N. / Jesudason, Natasha G. / Parr, Yasmin A. / Tong, Lily / Broos, Alice / Mair, Daniel / Nichols, Jenna / Carmichael, Stephen N. / Nomikou, Kyriaki / Aranday-Cortes, Elihu / Johnson, NaTasha / Starinskij, Igor / Orton, Richard J. / Hughes, Joseph / Vattipally, Sreenu / Singer, Joshua B. / Hale, Antony D. / Macfarlane-Smith, Louissa R. / Harper, Katherine L. / Taha, Yusri / Payne, Brendan A.I. / Burton-Fanning, Shirelle / Waugh, Sheila / Collins, Jennifer / Eltringham, Gary / Templeton, Kate E. / McHugh, Martin P. / Dewar, Rebecca / Wastenge, Elizabeth / Dervisevic, Samir / Stanley, Rachael / Prakash, Reenesh / Stuart, Claire / Elumogo, Ngozi / Sethi, Dheeraj K. / Meader, Emma J. / Coupland, Lindsay J. / Potter, Will / Graham, Clive / Barton, Edward / Padgett, Debra / Scott, Garren / Swindells, Emma / Greenaway, Jane / Nelson, Andrew / Yew, Wen C. / Resende Silva, Paola C. / Andersson, Monique / Shaw, Robert / Peto, Timothy / Justice, Anita / Eyre, David / Crooke, Derrick / Hoosdally, Sarah / Sloan, Tim J. / Duckworth, Nichola / Walsh, Sarah / Chauhan, Anoop J. / Glaysher, Sharon / Bicknell, Kelly / Wyllie, Sarah / Butcher, Ethan / Elliott, Scott / Lloyd, Allyson / Impey, Robert / Levene, Nick / Monaghan, Lynn / Bradley, Declan T. / Allara, Elias / Pearson, Clare / Muir, Peter / Vipond, Ian B. / Hopes, Richard / Pymont, Hannah M. / Hutchings, Stephanie / Curran, Martin D. / Parmar, Surendra / Lackenby, Angie / Mbisa, Tamyo / Platt, Steven / Miah, Shâhjahân / Bibby, David / Manso, Carmen / Hubb, Jonathan / Chand, Meera / Dabrera, Gavin / Ramsay, Mary / Bradshaw, Daniel / Thornton, Alicia / Myers, Richard / Schaefer, Ulf / Groves, Natalie / Gallagher, Eileen / Lee, David / Williams, David / Ellaby, Nicholas / Harrison, Ian / Hartman, Hassan / Manesis, Nikos / Patel, Vineet / Bishop, Chloe / Chalker, Vicki / Osman, Husam / Bosworth, Andrew / Robinson, Esther / Holden, Matthew T.G. / Shaaban, Sharif / Birchley, Alec / Adams, Alexander / Davies, Alisha / Gaskin, Amy / Plimmer, Amy / Gatica-Wilcox, Bree / McKerr, Caoimhe / Moore, Catherine / Williams, Chris / Heyburn, David / De Lacy, Elen / Hilvers, Ember / Downing, Fatima / Shankar, Giri / Jones, Hannah / Asad, Hibo / Coombes, Jason / Watkins, Joanne / Evans, Johnathan M. / Fina, Laia / Gifford, Laura / Gilbert, Lauren / Graham, Lee / Perry, Malorie / Morgan, Mari / Cronin, Michelle / Craine, Noel / Jones, Rachel / Howe, Robin / Corden, Sally / Rey, Sara / Kumziene-Summerhayes, Sara / Taylor, Sarah / Cottrell, Simon / Jones, Sophie / Edwards, Sue / O’Grady, Justin / Page, Andrew J. / Wain, John / Webber, Mark A. / Mather, Alison E. / Baker, David J. / Rudder, Steven / Yāsir, Muḥammad / Thomson, Nicholas M. / Aydin, Alp / Tedim, Ana P. / Kay, Gemma L. / Trotter, Alexander J. / Gilroy, Rachel A.J. / Alikhan, Nabil-Fareed / de Oliveira Martins, Leonardo / Le-Viet, Thanh / Meadows, Lizzie / Kolyva, Anastasia / Diaz, Maria / Bell, Andrew / Gutierrez, Ana Victoria / Charles, Ian G. / Adriaenssens, Evelien M. / Kingsley, Robert A. / Casey, Anna / Simpson, D. A. / Molnár, Zoltán / Thompson, Thomas / Acheson, Erwan / Masoli, Jane A.H. / Knight, Bridget A. / Hattersley, Andrew / Ellard, Sian / Auckland, Cressida / Mahungu, Tabitha W. / Irish-Tavares, Dianne / Haque, Tanzina / Bourgeois, Yann / Scarlett, Garry P. / Partridge, David G. / Raza, Mohammad / Evans, Cariad / Johnson, Kate / Liggett, Steven / Baker, Paul / Essex, Sarah / Lyons, Ronan A. / Caller, Laura G. / Castellano, Sergi / Williams, Rachel J. / Kristiansen, Mark / Roy, Sunando / Williams, Charlotte A. / Dyal, Patricia L. / Tutill, Helena J. / Panchbhaya, Yasmin N. / Forrest, Leysa M. / Niola, Paola / Findlay, Jacqueline / Brooks, Tony T. / Gavriil, Artemis / Mestek-Boukhibar, Lamia / Weeks, Sam / Pandey, Sarojini / Berry, Lisa / Jones, K. 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    Cell. 2021 Jan. 07, v. 184, no. 1 p.64-75.e11

    2021  

    Abstract: Global dispersal and increasing frequency of the SARS-CoV-2 spike protein variant D614G are suggestive of a selective advantage but may also be due to a random founder effect. We investigate the hypothesis for positive selection of spike D614G in the ... ...

    Institution COG-UK Consortium
    Abstract Global dispersal and increasing frequency of the SARS-CoV-2 spike protein variant D614G are suggestive of a selective advantage but may also be due to a random founder effect. We investigate the hypothesis for positive selection of spike D614G in the United Kingdom using more than 25,000 whole genome SARS-CoV-2 sequences. Despite the availability of a large dataset, well represented by both spike 614 variants, not all approaches showed a conclusive signal of positive selection. Population genetic analysis indicates that 614G increases in frequency relative to 614D in a manner consistent with a selective advantage. We do not find any indication that patients infected with the spike 614G variant have higher COVID-19 mortality or clinical severity, but 614G is associated with higher viral load and younger age of patients. Significant differences in growth and size of 614G phylogenetic clusters indicate a need for continued study of this variant.
    Keywords COVID-19 infection ; Severe acute respiratory syndrome coronavirus 2 ; data collection ; founder effect ; genetic analysis ; genome ; mortality ; mutation ; pathogenicity ; phylogeny ; viral load ; United Kingdom ; COVID-19 ; SARS-CoV-2 ; evolution ; epidemiology ; spike
    Language English
    Dates of publication 2021-0107
    Size p. 64-75.e11.
    Publishing place Elsevier Inc.
    Document type Article ; Online
    Note NAL-AP-2-clean
    ZDB-ID 187009-9
    ISSN 1097-4172 ; 0092-8674
    ISSN (online) 1097-4172
    ISSN 0092-8674
    DOI 10.1016/j.cell.2020.11.020
    Database NAL-Catalogue (AGRICOLA)

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