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Gaurav Kwatra
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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
M Voysey, SAC Clemens, SA Madhi, LY Weckx, PM Folegatti, PK Aley, ...
The Lancet 397 (10269), 99-111, 2021
57162021
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 …
M Voysey, SAC Clemens, SA Madhi, LY Weckx, PM Folegatti, PK Aley, ...
The Lancet 397 (10277), 881-891, 2021
14242021
Efficacy of the ChAdOx1 nCoV-19 Covid-19 vaccine against the B. 1.351 variant
SA Madhi, V Baillie, CL Cutland, M Voysey, AL Koen, L Fairlie, ...
New England Journal of Medicine 384 (20), 1885-1898, 2021
14232021
SARS-CoV-2 Omicron-B. 1.1. 529 leads to widespread escape from neutralizing antibody responses
W Dejnirattisai, J Huo, D Zhou, J Zahradník, P Supasa, C Liu, ...
Cell 185 (3), 467-484. e15, 2022
10242022
Population immunity and Covid-19 severity with Omicron variant in South Africa
SA Madhi, G Kwatra, JE Myers, W Jassat, N Dhar, CK Mukendi, AJ Nana, ...
New England Journal of Medicine 386 (14), 1314-1326, 2022
3992022
Prevalence of maternal colonisation with group B streptococcus: a systematic review and meta-analysis
G Kwatra, MC Cunnington, E Merrall, PV Adrian, M Ip, KP Klugman, ...
The Lancet Infectious Diseases 16 (9), 1076-1084, 2016
2952016
Safety and immunogenicity of the ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 in people living with and without HIV in South Africa: an interim analysis of a randomised …
SA Madhi, AL Koen, A Izu, L Fairlie, CL Cutland, V Baillie, ...
The Lancet HIV 8 (9), e568-e580, 2021
1492021
Oxford COVID Vaccine Trial Group Safety and efficacy of the ChAdOx1 nCoV-19 vaccine (AZD1222) against SARS-CoV-2: an interim analysis of four randomised controlled trials in …
M Voysey, SAC Clemens, SA Madhi, LY Weckx, PM Folegatti, PK Aley, ...
Lancet 397 (10269), 99-111, 2021
1452021
Serotype-specific acquisition and loss of group B streptococcus recto-vaginal colonization in late pregnancy
G Kwatra, PV Adrian, T Shiri, EJ Buchmann, CL Cutland, SA Madhi
PloS one 9 (6), e98778, 2014
1242014
Systematic review of Group B Streptococcal capsular types, sequence types and surface proteins as potential vaccine candidates
F Bianchi-Jassir, P Paul, KN To, C Carreras-Abad, AC Seale, ...
Vaccine 38 (43), 6682-6694, 2020
1052020
Safety and efficacy of the ChAdOx1 nCoV-19 (AZD1222) Covid-19 vaccine against the B. 1.351 variant in South Africa
SA Madhi, V Baillie, CL Cutland, M Voysey, AL Koen, L Fairlie, ...
MedRxiv, 2021.02. 10.21251247, 2021
1042021
Potential for maternally administered vaccine for infant group B streptococcus
SA Madhi, AS Anderson, J Absalon, D Radley, R Simon, B Jongihlati, ...
New England Journal of Medicine 389 (3), 215-227, 2023
802023
HIV-1 Is Associated With Lower Group B Streptococcus Capsular and Surface-Protein IgG Antibody Levels and Reduced Transplacental Antibody Transfer in …
Z Dangor, G Kwatra, A Izu, P Adrian, N van Niekerk, CL Cutland, Y Adam, ...
The Journal of infectious diseases 212 (3), 453-462, 2015
672015
Serocorrelates of protection against infant group B streptococcus disease
K Le Doare, B Kampmann, J Vekemans, PT Heath, D Goldblatt, MH Nahm, ...
The Lancet Infectious Diseases 19 (5), e162-e171, 2019
662019
Natural acquired humoral immunity against serotype-specific group B Streptococcus rectovaginal colonization acquisition in pregnant women
G Kwatra, PV Adrian, T Shiri, EJ Buchmann, CL Cutland, SA Madhi
Clinical Microbiology and Infection 21 (6), 568. e13-568. e21, 2015
652015
Correlates of protection of serotype-specific capsular antibody and invasive Group B Streptococcus disease in South African infants
Z Dangor, G Kwatra, A Izu, P Adrian, CL Cutland, S Velaphi, D Ballot, ...
Vaccine 33 (48), 6793-6799, 2015
642015
SARS-CoV-2 exposure in Malawian blood donors: an analysis of seroprevalence and variant dynamics between January 2020 and July 2021
J Mandolo, J Msefula, MYR Henrion, C Brown, B Moyo, A Samon, ...
BMC medicine 19, 1-10, 2021
552021
Review on the association of Group B Streptococcus capsular antibody and protection against invasive disease in infants
Z Dangor, G Kwatra, A Izu, SG Lala, SA Madhi
Expert review of vaccines 14 (1), 135-149, 2015
522015
The continuous evolution of SARS-CoV-2 in South Africa: a new lineage with rapid accumulation of mutations of concern and global detection
C Scheepers, J Everatt, DG Amoako, A Mnguni, A Ismail, B Mahlangu, ...
Medrxiv, 2021
402021
South African population immunity and severe Covid-19 with omicron variant
SA Madhi, G Kwatra, JE Myers, W Jassat, N Dhar, CK Mukendi, AJ Nana, ...
MedRxiv, 2021.12. 20.21268096, 2021
382021
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