Hospital admission and emergency care attendance risk for SARS-CoV-2 delta (B.1.617.2) compared with alpha (B.1.1.7) variants of concern: a cohort study

Asad Zaidi,Simon Thelwall,Mary Sinnathamby,Shirin Aliabadi,Shaun Seaman,Ross Harris,Russell Hope,Jamie Bernal,Eileen Gallagher,André Charlett,Daniela Angelis,Anne Presanis,Gavin Dabrera,KM Cherian,Amy Ash,Emma Wise,Nathan Moore,Matilde Mori,Nick Cortes,Jessica Lynch,Stephen Kidd,Derek Fairley,Tanya Curran,James McKenna,Helen Adams,Christophe Fraser,Tanya Golubchik,David Bonsall,Mohammed Hassan-Ibrahim,Cassandra Malone,Benjamin Cogger,Michelle Wantoch,Nicola Reynolds,Ben Warne,Joshua Maksimovic,Karla Spellman,Kathryn McCluggage,Michaela John,Robert Beer,Safiah Afifi,Siân Morgan,Angela Marchbank,Anna May,Christina Ramirez,Huw Gulliver,Ian Merrick,Joel Southgate,Martyn Guest,R. Munn,Trudy Workman,Thomas Connor,William Fuller,Catherine Bresner,Luke Snell,Amita Patel,Themoula Charalampous,Gaia Nebbia,Rahul Batra,Jonathan Edgeworth,Samuel Robson,Angela Beckett,David Aanensen,Thushan Silva,Corin Yeats,Khalil Abudahab,Ben Taylor,Mirko Menegazzo,Gemma Clark,Darren Smith,Manjinder Khakh,Flavia Flaviani,Michelle Lister,Hannah Howson‐Wells,Louise Berry,Tim Boswell,Amelia Joseph,Iona Willingham,Carl Jones,Christopher Holmes,Paul Bird,Thomas Helmer,Karlie Fallon,Julian Tang,Veena Raviprakash,Sharon Campbell,Nicola Sheriff,Victoria Blakey,Lesley-Anne Williams,Matthew Loose,Nadine Holmes,Christopher Moore,Matthew Carlile,Victoria Wright,Fei Sang,Johnny Debebe,Francesc Coll,Adrian Signell,Gilberto Betancor,Harry Wilson,Sahar Eldirdiri,Anita Kenyon,Thomas Davis,Oliver Pybus,Louis Plessis,Alex Zarebski,Jayna Raghwani,Moritz Kraemer,Sarah François,Stephen Attwood,Tetyana Vasylyeva,Marina Zamudio,Bernardo Gutiérrez,M. Török,William Hamilton,Ian Goodfellow,Grant Hall,Aminu Jahun,Yasmin Chaudhry,Myra Hosmillo,Malte Pinckert,Iliana Georgana,Samuel Moses,Hannah Lowe,Luke Bedford,Paul Shinn,Susanne Stonehouse,Chloe Fisher,Ali Awan,John Boyes,Judith Breuer,Kathryn Harris,Julianne Brown,Divya Shah,Laura Atkinson,Jack Lee,Nathaniel Storey,Adela Alcolea-Medina,R. Williams,Gabrielle Vernet,Michael Chapman,Lisa Levett,Judith Heaney,Wendy Chatterton,Monika Pusok,Li Xu-McCrae,Matthew Bashton,Gregory Young,Alison Holmes,Paul Randell,Alison Cox,Pinglawathee Madona,Frances Bolt,James Price,Siddharth Mookerjee,Manon Ragonnet‐Cronin,Fabrícia Nascimento,David Jorgensen,Igor Siveroni,Rob Johnson,Yann Bourgeois,Lily Geidelberg,Erik Volz,Aileen Rowan,Graham Taylor,Katherine Smollett,Nicholas Loman,Joshua Quick,Claire McMurray,Joanne Stockton,Samuel Nicholls,Steven Rudder,Radoslaw Poplawski,Alan McNally,Rocío Martínez-Nuñez,J. Mason,Trevor Robinson,Elaine O’Toole,Joanne Watts,Cassie Breen,Angela Cowell,Graciela Sluga,Nicholas Machin,Shazaad Ahmad,Fenella Halstead,Venkat Sivaprakasam,Wendy Hogsden,Christopher Illingworth,Christophe Andrieu,Emma Thomson,James Shepherd,Patawee Asamaphan,Marc Niebel,Kathy Li,Rajiv Shah,Natasha Jesudason,L. Tong,Alice Broos,Daniel Mair,Jenna Nichols,Stephen Carmichael,Kyriaki Nomikou,Elihú Aranday-Cortés,Natasha Johnson,Igor Starinskij,Ana Filipe,David Robertson,Richard Orton,Joseph Hughes,Vattipally Sreenu,Joshua Singer,Seema Nickbakhsh,Antony Hale,Louissa Macfarlane-Smith,Katherine Harper,Holli Carden,Yusri Taha,Brendan Payne,Shirelle Burton-Fanning,Sheila Waugh,Jennifer Collins,Gary Eltringham,Kordo Saeed,Sarah O’Brien,Amanda Bradley,Alasdair Maclean,Guy Mollett,Rachel Blacow,Kate Templeton,M. McHugh,Rebecca Dewar,Elizabeth Wastenge,Samir Dervisevic,Rachael Stanley,Emma Meader,Lindsay Coupland,Louise Smith,Clive Graham,Edward Barton,Debra Padgett,Garren Scott,Emma Swindells,Jane Greenaway,Andrew Nelson,Clare McCann,Wen Yew,Monique Andersson,Tim Peto,Anita Justice,David Eyre,Derrick Crook,Tim Spector,Nichola Duckworth,Sarah Walsh,Anoop Chauhan,Sharon Glaysher,Kelly Bicknell,Sarah Wyllie,Scott Elliott,Allyson Lloyd,Robert Impey,Nick Levene,Lynn Monaghan,Declan Bradley,Tim Wyatt,Elias Allara,Clare Pearson,Husam Osman,Andrew Bosworth,Esther Robinson,Peter Muir,Ian Vipond,Richard Hopes,Hannah Pymont,Stephanie Hutchings,Martin Curran,David Partridge,Angie Lackenby,Tamyo Mbisa,Steven Platt,Shahjahan Miah,David Bibby,Carmen Manso,Jonathan Hubb,Meera Chand,Mary Ramsay,Daniel Bradshaw,Alicia Thornton,Richard Myers,Ulf Schaefer,Natalie Groves,David Lee,David Williams,Nicholas Ellaby,I. Harrison,Hassan Hartman,Nikos Manesis,Vineet Patel,Chloe Bishop,Vicki Chalker,Juan Ledesma,Matthew Holden,Sharif Shaaban,Alec Birchley,Alexander Adams,Alisha Davies,Marta Gallis,Amy Plimmer,Bree Gatica-Wilcox,Caoimhe McKerr,Catherine Moore,Christopher Williams,David Heyburn,Elen Lacy,Ember Hilvers,Matthew Dorman,Giri Shankar,Hannah Jones,Hibo Asad,Jason Coombes,Joanne Watkins,Julian Evans,Laia Fina,Laura Gifford,Lauren Gilbert,Lee Graham,Mari Morgan,Matthew Bull,Michelle Cronin,Nicole Pacchiarini,Noel Craine,Robin Jones,Laurence Moore,Sally Corden,Sara Rey,Sara Kumziene-Summerhayes,Sarah Taylor,Simon Cottrell,Sophie Jones,Sue Edwards,Justin O’Grady,Alison Mather,David Baker,Alp Aydin,Gemma Kay,Alexander Trotter,Nabil-Fareed Alikhan,Leonardo Martins,Thanh Le-Viet,Lizzie Meadows,Liz Ratcliffe,David Simpson,Zoltán Molnár,Thomas Thompson,Erwan Acheson,Jane Masoli,Bridget Knight,Sian Ellard,Cressida Auckland,Christopher Jones,Tabitha Mahungu,Dianne Irish-Tavares,Tanzina Haque,Jennifer Hart,Eric Witele,Melisa Fenton,Ashok Dadrah,Amanda Symmonds,Tranprit Saluja,Garry Scarlett,Stavroula Louka,Salman Goudarzi,Christopher Fearn,Kate Cook,Hannah Dent,Hannah Paul,Mohammad Raza,Cariad Evans,KATE JOHNSON,Steven Liggett,Paul Baker,Stephen Bonner,Sarah Essex,Ronan Lyons,Adhyana Mahanama,Buddhini Samaraweera,Siona Silveira,Emanuela Pelosi,Eleri Wilson-Davies,Rachel Williams,Mark Kristiansen,Sunando Roy,Charlotte Williams,Marius Cotic,Nadua Bayzid,Adam Westhorpe,John Hartley,Riaz Jannoo,Helen Lowe,Angeliki Karamani,Leah Ensell,J. Prieto,Sarah Jeremiah,Dimitris Grammatopoulos,Sarojini Pandey,Lisa Berry,Katie Jones,Alex Richter,Andrew Beggs,Angus Best,Benita Percival,Jeremy Mirza,Oliver Megram,Patrick Maxwell,Liam Crawford,Fiona Ashcroft,Emma Moles-Garcia,Nicola Cumley,Colin Smith,Giselda Bucca,John Henderson,Beth Blane,Sophia Girgis,Danielle Leek,Sushmita Sridhar,Stephen Forrest,Claire Cormie,Harmeet Gill,Joana Dias,Ellen Higginson,Mailis Maes,Jamie Young,Leanne Kermack,Ravi Gupta,Catherine Ludden,Sharon Peacock,Sophie Palmer,Carol Churcher,Nazreen Hadjirin,Alessandro Carabelli,Ellena Brooks,Katerina Galai,Georgina McManus,Chris Ruis,Rose Davidson,Andrew Rambaut,Thomas Williams,Michael Gallagher,Áine O’Toole,Stefan Rooke,Verity Hill,Kathleen Williamson,Thomas Stanton,Stephen Michell,Claire Bewshea,Ben Temperton,Michelle Michelsen,Joanna Warwick-Dugdale,Robin Manley,Audrey Farbos,James Harrison,Christine Sambles,David Studholme,Aaron Jeffries,Leigh Jackson,Alistair Darby,Julian Hiscox,Steve Paterson,Miren Iturriza-Gomara,Kathryn Jackson,Anita Lucaci,Eszter Vamos,Margaret Hughes,Lucille Rainbow,Richard Eccles,Charlotte Nelson,Mark Whitehead,Lance Turtle,Sam Haldenby,Richard Gregory,Matthew Gemmell,Claudia Wierzbicki,Hermione Webster,Adrienn Angyal,Benjamin Lindsey,Danielle Groves,Luke Green,Dennis Wang,Matthew Parker,Alexander Keeley,Paul Parsons,Rachel Tucker,Rebecca Brown,Matthew Kiernan,Malcolm Semple,Chrystala Constantinidou,Meera Unnikrishnan,Sascha Ott,Jeffrey Cheng,Hannah Bridgewater,Lucy Frost,Grace Taylor-Joyce,Richard Stark,Laura Baxter,Mohammad Alam,Paul Brown,Dinesh Aggarwal,Alberto Cerda,Tammy Merrill,Rebekah Wilson,C. McClure,Joseph Chappell,Theocharis Tsoleridis,Jonathan Ball,David Buck,John Todd,Amy Trebes,George MacIntyre-Cockett,Mariateresa Cesare,Alex Alderton,Cristina Ariani,Mathew Beale,Charlotte Beaver,Katie Bellis,Emma Betteridge,James Bonfield,John Danesh,Eleanor Drury,Ben Farr,Luke Foulser,Sónia Gonçalves,Scott Goodwin,Marina Gourtovaia,Ewan Harrison,David Jackson,Dorota Jamrozy,Ian Johnston,Leanne Kane,Sally Kay,Jon-Paul Keatley,Dominic Kwiatkowski,Alan Irvine,Mara Lawniczak,Laura Letchford,Rich Livett,Stephanie Lo,Arun Mahesh,Samantha McGuigan,Rachel Nelson,Steve Palmer,Naomi Park,Minal Patel,Christoph Puethe,Michael Quail,Hilary Ranson,Priit Palta,Lesley Shirley,John Sillitoe,Scott Thurston,Gerry Tonkin‐Hill,Danni Weldon,Diana Rajan,Iraad Bronner,Louise Aigrain,Nicholas Redshaw,Stefanie Lensing,Robert Davies,Andrew Whitwham,Jennifier Liddle,Kevin Lewis,Jaime Tovar-Corona,Steven Leonard,Jillian Durham,Robin Moll,Keith James,Karen Oliver,Alex Makunin,Jeffrey Barrett,Rory Gunson,Anna Casey