1. Single-dose administration and the influence of the timing of the booster dose on immunogenicity and efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine: a pooled analysis of four randomised trials
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Voysey, Merryn, Costa Clemens, Sue Ann, Madhi, Shabir A, Weckx, Lily Y, Folegatti, Pedro M, Aley, Parvinder K, Angus, Brian, Baillie, Vicky L, Barnabas, Shaun L, Bhorat, Qasim E, Bibi, Sagida, Briner, Carmen, Cicconi, Paola, Clutterbuck, Elizabeth A, Collins, Andrea M, Cutland, Clare L, Darton, Thomas C, Dheda, Keertan, Dold, Christina, Duncan, Christopher J A, Emary, Katherine R W, Ewer, Katie J, Flaxman, Amy, Fairlie, Lee, Faust, Saul N, Feng, Shuo, Ferreira, Daniela M, Finn, Adam, Galiza, Eva, Goodman, Anna L, Green, Catherine M, Green, Christopher A, Greenland, Melanie, Hill, Catherine, Hill, Helen C, Hirsch, Ian, Izu, Alane, Jenkin, Daniel, Joe, Carina C D, Kerridge, Simon, Koen, Anthonet, Kwatra, Gaurav, Lazarus, Rajeka, Libri, Vincenzo, Lillie, Patrick J, Marchevsky, Natalie G, Marshall, Richard P, Mendes, Ana V A, Milan, Eveline P, Minassian, Angela M, McGregor, Alastair, Mujadidi, Yama F, Nana, Anusha, Padayachee, Sherman D, Phillips, Daniel J, Pittella, Ana, Plested, Emma, Pollock, Katrina M, Ramasamy, Maheshi N, Ritchie, Adam J, Robinson, Hannah, Schwarzbold, Alexandre V, Smith, Andrew, Song, Rinn, Snape, Matthew D, Sprinz, Eduardo, Sutherland, Rebecca K, Thomson, Emma C, Török, M Estée, Toshner, Mark, Turner, David P J, Vekemans, Johan, Villafana, Tonya L, White, Thomas, Williams, Christopher J, Douglas, Alexander D, Hill, Adrian V S, Lambe, Teresa, Gilbert, Sarah C, Pollard, Andrew J, Aban, Marites, Abeyskera, Kushala W.M., Aboagye, Jeremy, Adam, Matthew, Adams, Kirsty, Adamson, James P., Adewatan, Gbadebo, Adlou, Syed, Ahmed, Khatija, Akhalwaya, Yasmeen, Akhalwaya, Saajida, Alcock, Andrew, Ali, Aabidah, Allen, Elizabeth R., Allen, Lauren, Alvernaz, Felipe B., Amorim, Fabio Santos, Andrade, Claudia Sala, Andritsou, Foteini, Anslow, Rachel, Arbe-Barnes, Edward H., Ariaans, Mark P., Arns, Beatriz, Arruda, Laiana, Assad, Luiza, Azi, Paula De Almeida, Azi, Lorena De Almeida, Babbage, Gavin, Bailey, Catherine, Baker, Kenneth F., Baker, Megan, Baker, Natalie, Baker, Philip, Baleanu, Ioana, Bandeira, Danieli, Bara, Anna, Barbosa, Marcella A.S., Barker, Debbie, Barlow, Gavin D., Barnes, Eleanor, Barr, Andrew S., Barrett, Jordan R., Barrett, Jessica, Barrett, Kelly, Bates, Louise, Batten, Alexander, Beadon, Kirsten, Beales, Emily, Beckley, Rebecca, Belij-Rammerstorfer, Sandra, Bell, Jonathan, Bellamy, Duncan, Belton, Sue, Berg, Adam, Bermejo, Laura, Berrie, Eleanor, Berry, Lisa, Berzenyi, Daniella, Beveridge, Amy, Bewley, Kevin R., Bharaj, Inderjeet, Bhikha, Sutika, Bhorat, Asad E., Bhorat, Zaheda E., Bijker, Else Margreet, Birch, Sarah, Birch, Gurpreet, Birchall, Kathryn, Bird, Adam, Bird, Olivia, Bisnauthsing, Karen, Bittaye, Mustapha, Blackwell, Luke, Blacow, Rachel, Bletchly, Heather, Blundell, Caitlin L., Blundell, Susannah R., Bodalia, Pritesh, Bolam, Emma, Boland, Elena, Bormans, Daan, Borthwick, Nicola, Bowring, Francesca, Boyd, Amy, Bradley, Penny, Brenner, Tanja, Bridges-Webb, Alice, Brown, Phillip, Brown, Claire, Brown-O'Sullivan, Charlie, Bruce, Scott, Brunt, Emily, Budd, William, Bulbulia, Yusuf A., Bull, Melanie, Burbage, Jamie, Burn, Aileen, Buttigieg, Karen R., Byard, Nicholas, Cabrera Puig, Ingrid, Calvert, Anna, Camara, Susana, Cao, Michelangelo, Cappuccini, Federica, Cardona, Rita, Cardoso, João R., Carr, Melanie, Carroll, Miles W., Carson-Stevens, Andrew, Carvalho, Yasmin de M., Casey, Helen R., Cashen, Paul, Castro, Thais R.Y., Castro, Lucia Carratala, Cathie, Katrina, Cavey, Ana, Cerbino-Neto, José, Cezar, Luiz Fernando F., Chadwick, Jim, Chanice, Chanice, Chapman, David, Charlton, Sue, Cheliotis, Katerina S., Chelysheva, Irina, Chester, Oliver, Chiplin, Emily, Chita, Sunder, Cho, Jee-Sun, Cifuentes, Liliana, Clark, Elizabeth, Clark, Matthew, Colin-Jones, Rachel, Collins, Sarah L.K., Colton, Hayley, Conlon, Christopher P., Connarty, Sean, Coombes, Naomi, Cooper, Cushla, Cooper, Rachel, Cornelissen, Lynne, Corrah, Tumena, Cosgrove, Catherine A., Costa, Fernanda Barroso, Cox, Tony, Crocker, Wendy E.M., Crosbie, Sarah, Cullen, Dan, Cunha, Debora R.M.F., Cunningham, Christina J., Cuthbertson, Fiona C., da Costa, Daniel Marinho, Da Guarda, Suzete N. Farias, da Silva, Larissa P., da Silva Moraes, Antonio Carlos, Damratoski, Brad E., Danos, Zsofia, Dantas, Maria T.D.C., Datoo, Mehreen S., Datta, Chandrabali, Davids, Malika, Davies, Sarah L., Davies, Kelly, Davies, Hannah, Davies, Sophie, Davies, Judith, Davis, Elizabeth J., Davis, John, de Carvalho, José A.M., De Jager, Jeanne, de Jesus Jnr, Sergio, De Oliveira Kalid, Lis Moreno, Dearlove, David, Demissie, Tesfaye, Desai, Amisha, Di Marco, Stefania, Di Maso, Claudio, Dinesh, Tanya, Docksey, Claire, Dong, Tao, Donnellan, Francesca R., Dos Santos, Tannyth Gomes, Dos Santos, Thainá G., Dos Santos, Erika Pachecho, Douglas, Naomi, Downing, Charlotte, Drake, Jonathan, Drake-Brockman, Rachael, Drury, Ruth, Du Plessis, Joan, Dunachie, Susanna J., Duncan, Andrew, Easom, Nicholas J.W., Edwards, Mandy, Edwards, Nick J., Edwards, Frances, El Muhanna, Omar M., Elias, Sean C., Ellison-Handley, Branwen, Elmore, Michael J., English, Marcus Rex, Esmail, Alisgair, Essack, Yakub Moosa, Farooq, Mutjaba, Fedosyuk, Sofiya, Felle, Sally, Ferguson, Susie, Ferreira Da Silva, Carla, Field, Samantha, Fisher, Richard, Fletcher, James, Fofie, Hazel, Fok, Henry, Ford, Karen J., Fothergill, Ross, Fowler, Jamie, Fraiman, Pedro H.A., Francis, Emma, Franco, Marilia M., Frater, John, Freire, Marilúcia S.M., Fry, Samantha H., Fudge, Sabrina, Furlan Filho, Renato, Furze, Julie, Fuskova, Michelle, Galian-Rubio, Pablo, Garlant, Harriet, Gavrila, Madita, Gibbons, Karyna A., Gilbride, Ciaran, Gill, Hardeep, Godwin, Kerry, Gokani, Karishma, Gonçalves, Maria Luisa Freire, Gonzalez, Isabela G.S., Goodall, Jack, Goodwin, Jayne, Goondiwala, Amina, Gordon-Quayle, Katherine, Gorini, Giacomo, Goyanna, Alvaro, Grab, Janet, Gracie, Lara, Green, Justin, Greenwood, Nicola, Greffrath, Johann, Groenewald, Marisa M., Gunawardene, Anishka, Gupta, Gaurav, Hackett, Mark, Hallis, Bassam, Hamaluba, Mainga, Hamilton, Elizabeth, Hamlyn, Joseph, Hammersley, Daniel, Hanrath, Aidan T., Hanumunthadu, Brama, Harris, 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Kelly, Dearbhla M., Kelly, Sarah, Kerr, David, Khan, Liaquat, Khozoee, Baktash, Khurana, Ankush, Kidd, Sarah, Killen, Annabel, Kinch, Jasmin, Kinch, Patrick, King, Lloyd D.W., King, Thomas B., Kingham, Lucy, Klenerman, Paul, Kluczna, Diana M., Knapper, Francesca, Knight, Julian C., Knott, Daniel, Koleva, Stanislava, Lages, Pedro M., Lang, Matilda, Lang, Gail, Larkworthy, Colin W., Larwood, Jessica P.J., Law, Rebecca, Lawrie, Alison M., Lazarus, Erica M., Leach, Amanda, Lees, Emily A., Lelliott, Alice, Lemm, Nana-Marie, Lessa, Alvaro Edson Ramos, Leung, Stephanie, Li, Yuanyuan, Lias, Amelia M., Liatsikos, Konstantinos, Linder, Aline, Lipworth, Samuel, Liu, Shuchang, Liu, Xinxue, Lloyd, Adam, Lloyd, Stephanie, Loew, Lisa, Lopez Ramon, Raquel, Lora, Leandro Bonecker, Luz, Kleber Giovanni, MacDonald, Jonathan C., MacGregor, Gordon, Madhavan, Meera, Mainwaring, David O., Makambwa, Edson, Makinson, Rebecca, Malahleha, Mookho, Malamatsho, Ross, Mallett, Garry, Manning, Nicola, Mansatta, 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R.T., Parsons, Karen, Patel, Dipak, Patel, Bhumika, Patel, Faeezah, Patrick-Smith, Maia, Payne, Ruth O., Peng, Yanchun, Penn, Elizabeth J., Pennington, Anna, Peralta Alvarez, Marco Polo, Pereira Stuchi, Bruno Pereira, Perez, Ana Luiza, Perinpanathan, Tanaraj, Perring, James, Perumal, Rubeshan, Petkar, Sahir Yusuf, Philip, Tricia, Phillips, Jennifer, Phohu, Mary Kgomotso, Pickup, Lorinda, Pieterse, Sonja, Pinheiro, Jessica Morgana, Piper, Jo, Pipini, Dimitra, Plank, Mary, Plant, Sinéad, Pollard, Samuel, Pooley, Jennifer, Pooran, Anil, Poulton, Ian, Powers, Claire, Presa, Fernando B., Price, David A., Price, Vivien, Primeira, Marcelo R., Proud, Pamela C., Provstgaard-Morys, Samuel, Pueschel, Sophie, Pulido, David, Quaid, Sheena, Rabara, Ria, Radia, Kajal, Rajapaska, Durga, Rajeswaran, Thurkka, Ramos, Leonardo, Ramos, Alberto San Francisco, Ramos Lopez, Fernando, Rampling, Tommy, Rand, Jade, Ratcliffe, Helen, Rawlinson, Tom, Rea, David, Rees, Byron, Resuello-Dauti, Mila, Reyes Pabon, Emilia, Rhead, Sarah, Riaz, Tawassal, Ricamara, Marivic, Richards, Alexander, Richter, Alex, Ritchie, Neil, Ritchie, Adam J., Robbins, Alexander J., Roberts, Hannah, Robinson, Ryan E., Roche, Sophie, Rollier, Christine, Rose, Louisa, Ross Russell, Amy L., Rossouw, Lindie, Royal, Simon, Rudiansyah, Indra, Ryalls, Kim, Sabine, Charlotte, Saich, Stephen, Sale, Jessica C., Salman, Ahmed M., Salvador, Natalia, Salvador, Stephannie, Sampaio, Milla Dias, Samson, Annette D., Sanchez-Gonzalez, Amada, Sanders, Helen, Sanders, Katherine, Santos, Erika, Santos Guerra, Mayara F.S., Satti, Iman, Saunders, Jack E., Saunders, Caroline, Sayed, Aakifah Bibi Arif, Schim van der Loeff, Ina, Schmid, Annina B., Schofield, Ella, Screaton, Gavin R., Seddiqi, Samiullah, Segireddy, Rameswara R., Senger, Roberta, Serrano, Sonia, Shaik, Imam, Sharpe, Hannah R., Sharrocks, Katherine, Shaw, Robert, Shea, Adam, Sheehan, Emma, Shepherd, Amy, Shiham, Farah, Silk, Sarah E., Silva-Reyes, Laura, Silveira, Lidiana B. T.D., Silveira, Mariana B.V., Singh, Nisha, Sinha, Jaisi, Skelly, Donal T., Smith, Daniel C., Smith, Nick, Smith, Holly E., Smith, David J., Smith, Catherine C., Soares, Airanuédida S., Solórzano, Carla, Sorio, Guilherme L., Sorley, Kim, Sosa-Rodriguez, Tiffany, Souza, Cinthia M.C.D.L., Souza, Bruno S.D.F., Souza, Alessandra R., Souza Lopez, Thamyres, Sowole, Luciana, Spencer, Alexandra J., Spoors, Louise, Stafford, Lizzie, Stamford, Imogen, Stein, Ricardo, Stockdale, Lisa, Stockwell, Lisa V., Strickland, Louise H., Stuart, Arabella, Sturdy, Ann, Sutton, Natalina, Szigeti, Anna, Tahiri-Alaoui, Abdessamad, Tanner, Rachel, Taoushanis, Carol, Tarr, Alexander W., Tarrant, Richard, Taylor, Keja, Taylor, Ursula, Taylor, Iona Jennifer, Taylor, Justin, te Water Naude, Rebecca, Templeton, Kate, Themistocleous, Yrene, Themistocleous, Andreas, Thomas, Merin, Thomas, Kelly, Thomas, Tonia M., Thombrayil, Asha, Thompson, Julia, Thompson, Fawziyah, Thompson, Ameeka, Thompson, Amber, Thompson, Kevin, Thornton-Jones, Viv, Thotusi, Larissa H.S., Tighe, Patrick J., Tinoco, Lygia Accioly, Tiongson, Gerlynn Ferreras, Tladinyane, Bonolo, Tomasicchio, Michele, Tomic, Adriana, Tonks, Susan, Towner, James, Tran, Nguyen, Tree, Julia A., Trillana, Gerry, Trinham, Charlotte, Trivett, Rose, Truby, Adam, Tsheko, Betty Lebogang, Tubb, Philippa, Turabi, Aadil, Turner, Richard, Turner, Cheryl, Turner, Nicola, Tyagi, Bhavya, Ulaszewska, Marta, Underwood, Benjamin R., van Eck, Samual, Varughese, Rachel, Verbart, Dennis, Verheul, Marije K., Vichos, Iason, Vieira, Taiane A., Walker, Gemma, Walker, Laura, Wand, Matthew E., Wardell, Theresa, Warimwe, George M., Warren, Sarah C., Watkins, Bridget, Watson, Marion E.E., Watson, Ekaterina, Webb, Stewart, Webster, Angela, Welch, Jessica, Wellbelove, Zoe, Wells, Jeanette H., West, Alison J., White, Beth, White, Caroline, White, Rachel, Williams, Paul, Williams, Rachel L., Willingham, Silvia, Winslow, Rebecca, Woods, Danielle, Woodyer, Mark, Worth, Andrew T., Wright, Danny, Wroblewska, Marzena, Yao, Andy, Yim, Yee Ting Nicole, Zambrano, Marina Bauer, Zimmer, Rafael Leal, Zizi, Dalila, and Zuidewind, Peter
- Abstract
The ChAdOx1 nCoV-19 (AZD1222) vaccine has been approved for emergency use by the UK regulatory authority, Medicines and Healthcare products Regulatory Agency, with a regimen of two standard doses given with an interval of 4–12 weeks. The planned roll-out in the UK will involve vaccinating people in high-risk categories with their first dose immediately, and delivering the second dose 12 weeks later. Here, we provide both a further prespecified pooled analysis of trials of ChAdOx1 nCoV-19 and exploratory analyses of the impact on immunogenicity and efficacy of extending the interval between priming and booster doses. In addition, we show the immunogenicity and protection afforded by the first dose, before a booster dose has been offered.
- Published
- 2021
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