Helena Parracho

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

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2020 · 5K citations · Full text

Veterinary Medicine, Infectious Diseases, Preventive Medicine +17

Safety and immunogenicity of the ChAdOx1 nCoV-19 vaccine against SARS-CoV-2: a preliminary report of a phase 1/2, single-blind, randomised controlled trial

Pedro M. Folegatti, Katie Ewer, Parvinder K. Aley et al. · The Lancet · 2020 · 2.6K citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +14

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

Merryn Voysey, Sue Ann Costa Clemens, Shabir A. Madhi et al. · The Lancet · 2021 · 1.2K citations · Full text

Veterinary Medicine, Immunology, Immunization +16

Differences between the gut microflora of children with autistic spectrum disorders and that of healthy children

Helena Parracho, Max Bingham, Glenn R. Gibson et al. · Journal of Medical Microbiology · 2005 · 782 citations

Life Sciences, Microbiology, Pediatrics +13

T cell and antibody responses induced by a single dose of ChAdOx1 nCoV-19 (AZD1222) vaccine in a phase 1/2 clinical trial

Katie Ewer, Jordan R. Barrett, Sandra Belij‐Rammerstorfer et al. · Nature Medicine · 2020 · 643 citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +17