The University of Southampton
University of Southampton Institutional Repository

Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK

Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK
Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK

Background: A safe and efficacious vaccine against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), if deployed with high coverage, could contribute to the control of the COVID-19 pandemic. We evaluated the safety and efficacy of the ChAdOx1 nCoV-19 vaccine in a pooled interim analysis of four trials.

Methods: This analysis includes data from four ongoing blinded, randomised, controlled trials done across the UK, Brazil, and South Africa. Participants aged 18 years and older were randomly assigned (1:1) to ChAdOx1 nCoV-19 vaccine or control (meningococcal group A, C, W, and Y conjugate vaccine or saline). Participants in the ChAdOx1 nCoV-19 group received two doses containing 5 × 1010 viral particles (standard dose; SD/SD cohort); a subset in the UK trial received a half dose as their first dose (low dose) and a standard dose as their second dose (LD/SD cohort). The primary efficacy analysis included symptomatic COVID-19 in seronegative participants with a nucleic acid amplification test-positive swab more than 14 days after a second dose of vaccine. Participants were analysed according to treatment received, with data cutoff on Nov 4, 2020. Vaccine efficacy was calculated as 1 - relative risk derived from a robust Poisson regression model adjusted for age. Studies are registered at ISRCTN89951424 and ClinicalTrials.gov, NCT04324606, NCT04400838, and NCT04444674.

Findings: Between April 23 and Nov 4, 2020, 23 848 participants were enrolled and 11 636 participants (7548 in the UK, 4088 in Brazil) were included in the interim primary efficacy analysis. In participants who received two standard doses, vaccine efficacy was 62·1% (95% CI 41·0–75·7; 27 [0·6%] of 4440 in the ChAdOx1 nCoV-19 group vs71 [1·6%] of 4455 in the control group) and in participants who received a low dose followed by a standard dose, efficacy was 90·0% (67·4–97·0; three [0·2%] of 1367 vs 30 [2·2%] of 1374; pinteraction=0·010). Overall vaccine efficacy across both groups was 70·4% (95·8% CI 54·8–80·6; 30 [0·5%] of 5807 vs 101 [1·7%] of 5829). From 21 days after the first dose, there were ten cases hospitalised for COVID-19, all in the control arm; two were classified as severe COVID-19, including one death. There were 74 341 person-months of safety follow-up (median 3·4 months, IQR 1·3–4·8): 175 severe adverse events occurred in 168 participants, 84 events in the ChAdOx1 nCoV-19 group and 91 in the control group. Three events were classified as possibly related to a vaccine: one in the ChAdOx1 nCoV-19 group, one in the control group, and one in a participant who remains masked to group allocation.

Interpretation: ChAdOx1 nCoV-19 has an acceptable safety profile and has been found to be efficacious against symptomatic COVID-19 in this interim analysis of ongoing clinical trials.

Funding: UK Research and Innovation, National Institutes for Health Research (NIHR), Coalition for Epidemic Preparedness Innovations, Bill & Melinda Gates Foundation, Lemann Foundation, Rede D'Or, Brava and Telles Foundation, NIHR Oxford Biomedical Research Centre, Thames Valley and South Midland's NIHR Clinical Research Network, and AstraZeneca.

Adolescent, Adult, Aged, Brazil, COVID-19/prevention & control, COVID-19 Vaccines/adverse effects, Double-Blind Method, Female, Humans, Male, Middle Aged, Single-Blind Method, South Africa, Treatment Outcome, United Kingdom, Young Adult
0140-6736
99-111
Voysey, Merryn
fd9bd72b-7aaf-4390-a27f-bd8a6e6d92ae
Clemens, Sue Ann Costa
f71204d6-fc91-4b14-b5c5-e2e0ddce603b
Madhi, Shabir A.
dbe03afd-0de6-49c6-b31c-f952193ebc62
Weckx, Lily Y.
300c02a8-6ae3-4574-bbf0-ed9a122d323b
Folegatti, Pedro M.
23e5cd74-8076-45e5-9d16-9856641e1e01
Aley, Parvinder K.
47682c89-e7f3-481a-9176-23bb4053ba36
Angus, Brian
24f9d013-2967-4282-81b0-23d4528d49fd
Baillie, Vicky L.
492db7c5-de5a-438d-b721-7f5c01f53f5d
Barnabas, Shaun L.
9dc94054-125c-45db-901e-1885ede883ad
Bhorat, Qasim E.
1fdce582-9054-491f-9909-ddcb2a7826bb
Bibi, Sagida
bd84c45a-68e3-47a1-b5ea-20b41042e9bf
Briner, Carmen
87dded89-2d3c-48a0-8a51-6004c93af76e
Cicconi, Paola
80ed32cf-0b69-4efd-8ba5-68e38f6f4b10
Collins, Andrea M.
7c571856-429e-48f9-9e72-d70911ac9509
Colin-Jones, Rachel
5c72fe6f-e62d-47a8-a8c9-e18d0e3d095d
Cutland, Clare L.
f2564b35-6a18-4ea8-875c-d499281cff1c
Darton, Thomas C.
563cb98c-d30e-49d6-b71e-b291afa586db
Dheda, Keertan
27c2ed1e-1331-43a5-a3e9-dba4b9ff8978
Duncan, Christopher J.A.
3d260353-99a0-42ee-b45e-4a4bfaec00e6
Emary, Katherine R.W.
dd588fbe-d37a-44ac-a5f6-5f44c48fbfd5
Ewer, Katie J.
069f04d6-b524-45c7-ad26-ac830b990860
Fairlie, Lee
d259095e-825a-4d7d-aece-91adfc474ecb
Faust, Saul N.
f97df780-9f9b-418e-b349-7adf63e150c1
Feng, Shuo
7bed8cb4-d66f-4ef1-b3fb-f9cc0c996be4
Ferreira, Daniela M.
492eac42-4e06-406e-a164-db091574ac65
Finn, Adam
59ac74fa-55a6-448d-9e19-9dd2f4654d4b
Goodman, Anna L.
6541cbb8-783d-4470-8235-a6595320c267
Green, Catherine M.
74bf353e-9630-408f-9f8e-ec96a54b5771
Green, Christopher A.
ab40a886-5613-40e1-a2d0-5cc23698b24f
Heath, Paul T.
c1874f54-5279-4438-99f2-a0ca9ded7800
Hill, Catherine
3e2a8c26-cfd4-404f-9ca5-2d1116c6d2f8
Hill, Helen
45e6001e-508f-436f-b5e3-1ba80c3e9229
Hirsch, Ian
ba63431c-acd2-48e6-a835-a149053482ab
Hodgson, Susanne H.C.
6963cfbd-2d12-41f9-b5e9-e241f3b7ae26
Izu, Alane
b89e5983-a4ac-4e85-82fc-d7c96e9f9eca
Jackson, Susan
f5f28c51-55fb-41fb-80f7-d94cf6603cad
Jenkin, Daniel
ff787aec-0acf-4631-8168-7c1c711f5390
Joe, Carina C.D.
f040f90c-89bf-48b3-b290-ff03790eb875
Kerridge, Simon
81f15fce-1c9e-4338-b5e0-cbaf546a83e9
Koen, Anthonet
fee384f4-b57e-4990-9e23-f9b45ec53033
Kwatra, Gaurav
2ad952f7-310a-454d-b38a-714a436f9935
Lazarus, Rajeka
9cef06db-d282-42b9-85fe-5ae26bdf6813
Lawrie, Alison M.
dd354ff4-6d60-4029-af83-ae6d233eb2af
Lelliott, Alice
a06d226a-0370-48ed-beda-6bf6672520fa
Libri, Vincenzo
cec4fc4f-68e0-4081-a12a-ec1a68ab94a2
Lillie, Patrick J.
3068afd9-e2bd-4c75-8ad3-e95b412f3456
Mallory, Raburn
0cf12778-a2b3-4061-bcad-035333f4327f
Mendes, Ana V.A.
92dcde35-12f2-4915-8783-7408f0195a29
Milan, Eveline P.
4388bf36-7822-42b4-8d50-869d816f06c8
Minassian, Angela M.
93984419-d2e6-48fc-ad3c-9126d9a19e7c
McGregor, Alastair
13b792fe-0d82-4af7-98b5-c34c564ea34c
Morrison, Hazel
7ed08c51-c31a-49d9-a687-b286473c5271
Mujadidi, Yama F.
bffb5a37-2ab0-4883-9001-c00b4e996c8c
Nana, Anusha
fae1f461-c3f2-4953-a4fa-07496575a030
O’Reilly, Peter J.
bf1dc002-0fee-4b27-8b6a-52d64c83b7d6
Padayachee, Sherman D.
17b371db-5148-4150-a545-d8a2cb8c149e
Pittella, Ana
e57377df-c705-48c9-905b-f1b98f977ca1
Plesteda, Emma
dc75b2db-7d4e-4dd0-bc98-ec802198f8b0
Pollock, Katrina M.
1e541781-5aac-441a-a81f-71d2a8e622dc
Ramasamy, Maheshi N.
ae42fa67-f3e2-430a-81da-92d601b96b79
Rhead, Sarah
9fd57d02-10cd-445d-8550-2c6beac33e2b
Schwarzbold, Alexandre V.
da3bccdd-c148-4f5c-98cf-4d0f7c427bd4
Singh, Nisha
6efdfb3b-0148-4874-94eb-b8440c9922eb
Smith, Andrew
4e33688e-4e43-47f1-baa5-8c98a7c9b50f
Song, Rinn
720506ab-3458-4ba9-9494-be5b46030119
Snape, Matthew D.
769a0071-eab7-41cb-82aa-29dccbc23f7c
Sprinz, Eduardo
7c6d1216-e44c-409e-a31e-5ea00183b3af
Sutherland, Rebecca K.
d5fb1417-93a7-4f89-a5c4-244875583f82
Tarrant, Richard
9f9ccf7d-4dc4-4a56-a2de-5f618f8a65b3
Thomson, Emma C.
59225aa2-fc9f-47b4-8df5-dc27fd4b3568
Török, Estée
acca3d0e-511a-4021-995f-7b7cea3ef7d8
Toshner, Mark
38c80e99-1adc-4fcd-ba5e-50e0cb787298
Turner, David P.J.
4836f1fd-2849-48f9-bd50-e61cac693b40
Vekemans, Johan
843367ac-a3c3-4bcc-b1c0-b2797dc701e2
Villafana, Tonya L.
907aa44e-397e-42f9-a57d-ad496ba4b720
Watson, Marion E.E.
9be57fe5-99c7-4ad1-b77e-2d7e53a50ccd
Williams, Christopher J.
3b272f99-ebb5-4a90-8f6d-09dab53e66f8
Douglas, Alexander D.
75b5554d-cf5d-4111-a9d8-d02576a4a39d
Hill, Adrian V.S.
4d84d5d7-f548-4412-ba9a-07d6bd039b43
Lambe, Teresa
e9b029cc-81af-4487-8070-a03c3dcc4352
Gilbert, Sarah C.
d9a6ceed-29a5-49b6-9dc9-9fa1d22f2b5a
Pollard, Andrew J.
3057c98b-3868-4bbb-a69f-f4660c2afd93
Oxford COVID Vaccine Trial Group
Voysey, Merryn
fd9bd72b-7aaf-4390-a27f-bd8a6e6d92ae
Clemens, Sue Ann Costa
f71204d6-fc91-4b14-b5c5-e2e0ddce603b
Madhi, Shabir A.
dbe03afd-0de6-49c6-b31c-f952193ebc62
Weckx, Lily Y.
300c02a8-6ae3-4574-bbf0-ed9a122d323b
Folegatti, Pedro M.
23e5cd74-8076-45e5-9d16-9856641e1e01
Aley, Parvinder K.
47682c89-e7f3-481a-9176-23bb4053ba36
Angus, Brian
24f9d013-2967-4282-81b0-23d4528d49fd
Baillie, Vicky L.
492db7c5-de5a-438d-b721-7f5c01f53f5d
Barnabas, Shaun L.
9dc94054-125c-45db-901e-1885ede883ad
Bhorat, Qasim E.
1fdce582-9054-491f-9909-ddcb2a7826bb
Bibi, Sagida
bd84c45a-68e3-47a1-b5ea-20b41042e9bf
Briner, Carmen
87dded89-2d3c-48a0-8a51-6004c93af76e
Cicconi, Paola
80ed32cf-0b69-4efd-8ba5-68e38f6f4b10
Collins, Andrea M.
7c571856-429e-48f9-9e72-d70911ac9509
Colin-Jones, Rachel
5c72fe6f-e62d-47a8-a8c9-e18d0e3d095d
Cutland, Clare L.
f2564b35-6a18-4ea8-875c-d499281cff1c
Darton, Thomas C.
563cb98c-d30e-49d6-b71e-b291afa586db
Dheda, Keertan
27c2ed1e-1331-43a5-a3e9-dba4b9ff8978
Duncan, Christopher J.A.
3d260353-99a0-42ee-b45e-4a4bfaec00e6
Emary, Katherine R.W.
dd588fbe-d37a-44ac-a5f6-5f44c48fbfd5
Ewer, Katie J.
069f04d6-b524-45c7-ad26-ac830b990860
Fairlie, Lee
d259095e-825a-4d7d-aece-91adfc474ecb
Faust, Saul N.
f97df780-9f9b-418e-b349-7adf63e150c1
Feng, Shuo
7bed8cb4-d66f-4ef1-b3fb-f9cc0c996be4
Ferreira, Daniela M.
492eac42-4e06-406e-a164-db091574ac65
Finn, Adam
59ac74fa-55a6-448d-9e19-9dd2f4654d4b
Goodman, Anna L.
6541cbb8-783d-4470-8235-a6595320c267
Green, Catherine M.
74bf353e-9630-408f-9f8e-ec96a54b5771
Green, Christopher A.
ab40a886-5613-40e1-a2d0-5cc23698b24f
Heath, Paul T.
c1874f54-5279-4438-99f2-a0ca9ded7800
Hill, Catherine
3e2a8c26-cfd4-404f-9ca5-2d1116c6d2f8
Hill, Helen
45e6001e-508f-436f-b5e3-1ba80c3e9229
Hirsch, Ian
ba63431c-acd2-48e6-a835-a149053482ab
Hodgson, Susanne H.C.
6963cfbd-2d12-41f9-b5e9-e241f3b7ae26
Izu, Alane
b89e5983-a4ac-4e85-82fc-d7c96e9f9eca
Jackson, Susan
f5f28c51-55fb-41fb-80f7-d94cf6603cad
Jenkin, Daniel
ff787aec-0acf-4631-8168-7c1c711f5390
Joe, Carina C.D.
f040f90c-89bf-48b3-b290-ff03790eb875
Kerridge, Simon
81f15fce-1c9e-4338-b5e0-cbaf546a83e9
Koen, Anthonet
fee384f4-b57e-4990-9e23-f9b45ec53033
Kwatra, Gaurav
2ad952f7-310a-454d-b38a-714a436f9935
Lazarus, Rajeka
9cef06db-d282-42b9-85fe-5ae26bdf6813
Lawrie, Alison M.
dd354ff4-6d60-4029-af83-ae6d233eb2af
Lelliott, Alice
a06d226a-0370-48ed-beda-6bf6672520fa
Libri, Vincenzo
cec4fc4f-68e0-4081-a12a-ec1a68ab94a2
Lillie, Patrick J.
3068afd9-e2bd-4c75-8ad3-e95b412f3456
Mallory, Raburn
0cf12778-a2b3-4061-bcad-035333f4327f
Mendes, Ana V.A.
92dcde35-12f2-4915-8783-7408f0195a29
Milan, Eveline P.
4388bf36-7822-42b4-8d50-869d816f06c8
Minassian, Angela M.
93984419-d2e6-48fc-ad3c-9126d9a19e7c
McGregor, Alastair
13b792fe-0d82-4af7-98b5-c34c564ea34c
Morrison, Hazel
7ed08c51-c31a-49d9-a687-b286473c5271
Mujadidi, Yama F.
bffb5a37-2ab0-4883-9001-c00b4e996c8c
Nana, Anusha
fae1f461-c3f2-4953-a4fa-07496575a030
O’Reilly, Peter J.
bf1dc002-0fee-4b27-8b6a-52d64c83b7d6
Padayachee, Sherman D.
17b371db-5148-4150-a545-d8a2cb8c149e
Pittella, Ana
e57377df-c705-48c9-905b-f1b98f977ca1
Plesteda, Emma
dc75b2db-7d4e-4dd0-bc98-ec802198f8b0
Pollock, Katrina M.
1e541781-5aac-441a-a81f-71d2a8e622dc
Ramasamy, Maheshi N.
ae42fa67-f3e2-430a-81da-92d601b96b79
Rhead, Sarah
9fd57d02-10cd-445d-8550-2c6beac33e2b
Schwarzbold, Alexandre V.
da3bccdd-c148-4f5c-98cf-4d0f7c427bd4
Singh, Nisha
6efdfb3b-0148-4874-94eb-b8440c9922eb
Smith, Andrew
4e33688e-4e43-47f1-baa5-8c98a7c9b50f
Song, Rinn
720506ab-3458-4ba9-9494-be5b46030119
Snape, Matthew D.
769a0071-eab7-41cb-82aa-29dccbc23f7c
Sprinz, Eduardo
7c6d1216-e44c-409e-a31e-5ea00183b3af
Sutherland, Rebecca K.
d5fb1417-93a7-4f89-a5c4-244875583f82
Tarrant, Richard
9f9ccf7d-4dc4-4a56-a2de-5f618f8a65b3
Thomson, Emma C.
59225aa2-fc9f-47b4-8df5-dc27fd4b3568
Török, Estée
acca3d0e-511a-4021-995f-7b7cea3ef7d8
Toshner, Mark
38c80e99-1adc-4fcd-ba5e-50e0cb787298
Turner, David P.J.
4836f1fd-2849-48f9-bd50-e61cac693b40
Vekemans, Johan
843367ac-a3c3-4bcc-b1c0-b2797dc701e2
Villafana, Tonya L.
907aa44e-397e-42f9-a57d-ad496ba4b720
Watson, Marion E.E.
9be57fe5-99c7-4ad1-b77e-2d7e53a50ccd
Williams, Christopher J.
3b272f99-ebb5-4a90-8f6d-09dab53e66f8
Douglas, Alexander D.
75b5554d-cf5d-4111-a9d8-d02576a4a39d
Hill, Adrian V.S.
4d84d5d7-f548-4412-ba9a-07d6bd039b43
Lambe, Teresa
e9b029cc-81af-4487-8070-a03c3dcc4352
Gilbert, Sarah C.
d9a6ceed-29a5-49b6-9dc9-9fa1d22f2b5a
Pollard, Andrew J.
3057c98b-3868-4bbb-a69f-f4660c2afd93

Voysey, Merryn, Clemens, Sue Ann Costa, 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, Collins, Andrea M., Colin-Jones, Rachel, Cutland, Clare L., Darton, Thomas C., Dheda, Keertan, Duncan, Christopher J.A., Emary, Katherine R.W., Ewer, Katie J., Fairlie, Lee, Faust, Saul N., Feng, Shuo, Ferreira, Daniela M., Finn, Adam, Goodman, Anna L., Green, Catherine M., Green, Christopher A., Heath, Paul T., Hill, Catherine, Hill, Helen, Hirsch, Ian, Hodgson, Susanne H.C., Izu, Alane, Jackson, Susan, Jenkin, Daniel, Joe, Carina C.D., Kerridge, Simon, Koen, Anthonet, Kwatra, Gaurav, Lazarus, Rajeka, Lawrie, Alison M., Lelliott, Alice, Libri, Vincenzo, Lillie, Patrick J., Mallory, Raburn, Mendes, Ana V.A., Milan, Eveline P., Minassian, Angela M., McGregor, Alastair, Morrison, Hazel, Mujadidi, Yama F., Nana, Anusha, O’Reilly, Peter J., Padayachee, Sherman D., Pittella, Ana, Plesteda, Emma, Pollock, Katrina M., Ramasamy, Maheshi N., Rhead, Sarah, Schwarzbold, Alexandre V., Singh, Nisha, Smith, Andrew, Song, Rinn, Snape, Matthew D., Sprinz, Eduardo, Sutherland, Rebecca K., Tarrant, Richard, Thomson, Emma C., Török, Estée, Toshner, Mark, Turner, David P.J., Vekemans, Johan, Villafana, Tonya L., Watson, Marion E.E., Williams, Christopher J., Douglas, Alexander D., Hill, Adrian V.S., Lambe, Teresa, Gilbert, Sarah C. and Pollard, Andrew J. , Oxford COVID Vaccine Trial Group (2021) Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in Brazil, South Africa, and the UK. The Lancet, 397 (10269), 99-111. (doi:10.1016/S0140-6736(20)32661-1).

Record type: Article

Abstract

Background: A safe and efficacious vaccine against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), if deployed with high coverage, could contribute to the control of the COVID-19 pandemic. We evaluated the safety and efficacy of the ChAdOx1 nCoV-19 vaccine in a pooled interim analysis of four trials.

Methods: This analysis includes data from four ongoing blinded, randomised, controlled trials done across the UK, Brazil, and South Africa. Participants aged 18 years and older were randomly assigned (1:1) to ChAdOx1 nCoV-19 vaccine or control (meningococcal group A, C, W, and Y conjugate vaccine or saline). Participants in the ChAdOx1 nCoV-19 group received two doses containing 5 × 1010 viral particles (standard dose; SD/SD cohort); a subset in the UK trial received a half dose as their first dose (low dose) and a standard dose as their second dose (LD/SD cohort). The primary efficacy analysis included symptomatic COVID-19 in seronegative participants with a nucleic acid amplification test-positive swab more than 14 days after a second dose of vaccine. Participants were analysed according to treatment received, with data cutoff on Nov 4, 2020. Vaccine efficacy was calculated as 1 - relative risk derived from a robust Poisson regression model adjusted for age. Studies are registered at ISRCTN89951424 and ClinicalTrials.gov, NCT04324606, NCT04400838, and NCT04444674.

Findings: Between April 23 and Nov 4, 2020, 23 848 participants were enrolled and 11 636 participants (7548 in the UK, 4088 in Brazil) were included in the interim primary efficacy analysis. In participants who received two standard doses, vaccine efficacy was 62·1% (95% CI 41·0–75·7; 27 [0·6%] of 4440 in the ChAdOx1 nCoV-19 group vs71 [1·6%] of 4455 in the control group) and in participants who received a low dose followed by a standard dose, efficacy was 90·0% (67·4–97·0; three [0·2%] of 1367 vs 30 [2·2%] of 1374; pinteraction=0·010). Overall vaccine efficacy across both groups was 70·4% (95·8% CI 54·8–80·6; 30 [0·5%] of 5807 vs 101 [1·7%] of 5829). From 21 days after the first dose, there were ten cases hospitalised for COVID-19, all in the control arm; two were classified as severe COVID-19, including one death. There were 74 341 person-months of safety follow-up (median 3·4 months, IQR 1·3–4·8): 175 severe adverse events occurred in 168 participants, 84 events in the ChAdOx1 nCoV-19 group and 91 in the control group. Three events were classified as possibly related to a vaccine: one in the ChAdOx1 nCoV-19 group, one in the control group, and one in a participant who remains masked to group allocation.

Interpretation: ChAdOx1 nCoV-19 has an acceptable safety profile and has been found to be efficacious against symptomatic COVID-19 in this interim analysis of ongoing clinical trials.

Funding: UK Research and Innovation, National Institutes for Health Research (NIHR), Coalition for Epidemic Preparedness Innovations, Bill & Melinda Gates Foundation, Lemann Foundation, Rede D'Or, Brava and Telles Foundation, NIHR Oxford Biomedical Research Centre, Thames Valley and South Midland's NIHR Clinical Research Network, and AstraZeneca.

This record has no associated files available for download.

More information

Accepted/In Press date: 1 January 2020
e-pub ahead of print date: 8 December 2020
Published date: 9 January 2021
Additional Information: Funding Information: This Article was funded by UK Research and Innovation, NIHR, Coalition for Epidemic Preparedness Innovations, the Bill & Melinda Gates Foundation, the Lemann Foundation, Rede D'Or, the Brava and Telles Foundation, NIHR Oxford Biomedical Research Centre, Thames Valley and South Midland's NIHR Clinical Research Network, and AstraZeneca. The authors dedicate this paper to the many healthcare workers who have lost their lives during the pandemic. This report is independent research funded by the UK National Institute for Health Research, UK Research and Innovation, the Bill & Melinda Gates Foundation, the Lemann Foundation, Rede D'OR, the Brava and Telles Foundation, and the South African Medical Research Council. We are grateful to the NIHR infrastructure provided through the NIHR Biomedical Research Centres and the NIHR Clinical Research Network at the UK study sites. The views expressed in this publication are those of the author(s) and not necessarily those of the National Institute for Health Research or the Department of Health and Social Care. PMF received funding from the Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior, Brazil (finance code 001). The authors are grateful to the volunteers who participated in this study. The authors are grateful to the senior management at AstraZeneca for facilitating and funding the manufacture of the AZD1222 vaccine candidate and for financial support for expansion of the Oxford sponsored clinical trials in Brazil. AstraZeneca reviewed the data from the study and the final manuscript prior to submission, but the authors retained editorial control. Funding Information: This Article was funded by UK Research and Innovation, NIHR, Coalition for Epidemic Preparedness Innovations, the Bill & Melinda Gates Foundation, the Lemann Foundation, Rede D’Or, the Brava and Telles Foundation, NIHR Oxford Biomedical Research Centre, Thames Valley and South Midland's NIHR Clinical Research Network, and AstraZeneca. The authors dedicate this paper to the many healthcare workers who have lost their lives during the pandemic. This report is independent research funded by the UK National Institute for Health Research, UK Research and Innovation, the Bill & Melinda Gates Foundation, the Lemann Foundation, Rede D’OR, the Brava and Telles Foundation, and the South African Medical Research Council. We are grateful to the NIHR infrastructure provided through the NIHR Biomedical Research Centres and the NIHR Clinical Research Network at the UK study sites. The views expressed in this publication are those of the author(s) and not necessarily those of the National Institute for Health Research or the Department of Health and Social Care. PMF received funding from the Coordenacao de Aperfeicoamento de Pessoal de Nivel Superior, Brazil (finance code 001). The authors are grateful to the volunteers who participated in this study. The authors are grateful to the senior management at AstraZeneca for facilitating and funding the manufacture of the AZD1222 vaccine candidate and for financial support for expansion of the Oxford sponsored clinical trials in Brazil. AstraZeneca reviewed the data from the study and the final manuscript prior to submission, but the authors retained editorial control. Funding Information: Oxford University has entered into a partnership with AstraZeneca for further development of ChAdOx1 nCoV-19. SCG is co-founder of Vaccitech (collaborators in the early development of this vaccine candidate) and named as an inventor on a patent covering use of ChAdOx1-vectored vaccines and a patent application covering this SARS-CoV-2 vaccine (PCT/GB2012/000467). TL is named as an inventor on a patent application covering this SARS-CoV-2 vaccine and was a consultant to Vaccitech for an unrelated project, during the conduct of the study. PMF is a consultant to Vaccitech during the conduct of the study. AJP is chair of the UK Department of Health and Social Care's (DHSC) Joint Committee on Vaccination & Immunisation (JCVI), but does not participate in discussions on COVID-19 vaccines, and is a member of WHO's SAGE. AJP is a National Institute for Health Research (NIHR) Senior Investigator. The views expressed in this Article do not necessarily represent the views of the DHSC, JCVI, NIHR, or WHO. AVSH reports personal fees from Vaccitech, outside of the submitted work, and has a patent on ChAdOx1 licensed to Vaccitech (PCT/GB2012/000467), and might benefit from royalty income to the University of Oxford from sales of this vaccine by AstraZeneca and sublicensees. MS reports grants from NIHR and non-financial support from AstraZeneca, during the conduct of the study; and grants from Janssen, GlaxoSmithKline, Medimmune, Novavax, and MCM and grants and non-financial support from Pfizer, outside of the submitted work. CG reports personal fees from the Duke Human Vaccine Institute, outside of the submitted work. ADD reports grants and personal fees from AstraZeneca, outside of the submitted work. AF is a member of the JCVI and chair of the WHO European Technical Advisory Group of Experts. AF declares research grants from Pfizer, GlaxoSmithKline, Sanofi, Merck Sharp & Dohme, and Valneva, outside of the submitted work. JV, TLV, and IH are employees of AstraZeneca. The other authors declare no competing interests. Publisher Copyright: © 2021 The Author(s). Published by Elsevier Ltd. This is an Open Access article under the CC BY 4.0 license
Keywords: Adolescent, Adult, Aged, Brazil, COVID-19/prevention & control, COVID-19 Vaccines/adverse effects, Double-Blind Method, Female, Humans, Male, Middle Aged, Single-Blind Method, South Africa, Treatment Outcome, United Kingdom, Young Adult

Identifiers

Local EPrints ID: 446188
URI: http://eprints.soton.ac.uk/id/eprint/446188
ISSN: 0140-6736
PURE UUID: 0f6c3d7c-d31a-4970-8fd2-ff0d6f4c73af
ORCID for Saul N. Faust: ORCID iD orcid.org/0000-0003-3410-7642

Catalogue record

Date deposited: 27 Jan 2021 17:30
Last modified: 18 Mar 2024 03:04

Export record

Altmetrics

Contributors

Author: Merryn Voysey
Author: Sue Ann Costa Clemens
Author: Shabir A. Madhi
Author: Lily Y. Weckx
Author: Pedro M. Folegatti
Author: Parvinder K. Aley
Author: Brian Angus
Author: Vicky L. Baillie
Author: Shaun L. Barnabas
Author: Qasim E. Bhorat
Author: Sagida Bibi
Author: Carmen Briner
Author: Paola Cicconi
Author: Andrea M. Collins
Author: Rachel Colin-Jones
Author: Clare L. Cutland
Author: Thomas C. Darton
Author: Keertan Dheda
Author: Christopher J.A. Duncan
Author: Katherine R.W. Emary
Author: Katie J. Ewer
Author: Lee Fairlie
Author: Saul N. Faust ORCID iD
Author: Shuo Feng
Author: Daniela M. Ferreira
Author: Adam Finn
Author: Anna L. Goodman
Author: Catherine M. Green
Author: Christopher A. Green
Author: Paul T. Heath
Author: Catherine Hill
Author: Helen Hill
Author: Ian Hirsch
Author: Susanne H.C. Hodgson
Author: Alane Izu
Author: Susan Jackson
Author: Daniel Jenkin
Author: Carina C.D. Joe
Author: Simon Kerridge
Author: Anthonet Koen
Author: Gaurav Kwatra
Author: Rajeka Lazarus
Author: Alison M. Lawrie
Author: Alice Lelliott
Author: Vincenzo Libri
Author: Patrick J. Lillie
Author: Raburn Mallory
Author: Ana V.A. Mendes
Author: Eveline P. Milan
Author: Angela M. Minassian
Author: Alastair McGregor
Author: Hazel Morrison
Author: Yama F. Mujadidi
Author: Anusha Nana
Author: Peter J. O’Reilly
Author: Sherman D. Padayachee
Author: Ana Pittella
Author: Emma Plesteda
Author: Katrina M. Pollock
Author: Maheshi N. Ramasamy
Author: Sarah Rhead
Author: Alexandre V. Schwarzbold
Author: Nisha Singh
Author: Andrew Smith
Author: Rinn Song
Author: Matthew D. Snape
Author: Eduardo Sprinz
Author: Rebecca K. Sutherland
Author: Richard Tarrant
Author: Emma C. Thomson
Author: Estée Török
Author: Mark Toshner
Author: David P.J. Turner
Author: Johan Vekemans
Author: Tonya L. Villafana
Author: Marion E.E. Watson
Author: Christopher J. Williams
Author: Alexander D. Douglas
Author: Adrian V.S. Hill
Author: Teresa Lambe
Author: Sarah C. Gilbert
Author: Andrew J. Pollard
Corporate Author: Oxford COVID Vaccine Trial Group

Download statistics

Downloads from ePrints over the past year. Other digital versions may also be available to download e.g. from the publisher's website.

View more statistics

Atom RSS 1.0 RSS 2.0

Contact ePrints Soton: eprints@soton.ac.uk

ePrints Soton supports OAI 2.0 with a base URL of http://eprints.soton.ac.uk/cgi/oai2

This repository has been built using EPrints software, developed at the University of Southampton, but available to everyone to use.

We use cookies to ensure that we give you the best experience on our website. If you continue without changing your settings, we will assume that you are happy to receive cookies on the University of Southampton website.

×