Beatriz Arns

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

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

Convalescent plasma for COVID-19 in hospitalised patients: an open-label, randomised clinical trial

Leo Sekine, Beatriz Arns, Bruna R. Fabro et al. · European Respiratory Journal · 2021 · 68 citations · Full text

Pharmacy, Internal Medicine, Critical Care Pharmacotherapy +9

Efficacy of ChAdOx1 nCoV-19 (AZD1222) vaccine against SARS-CoV-2 lineages circulating in Brazil

Sue Ann Costa Clemens, Pedro M. Folegatti, Katherine R. W. Emary et al. · Nature Communications · 2021 · 54 citations · Full text

Veterinary Medicine, Immunology, Infectious Diseases +17

World Health Organization priority antimicrobial resistance in Enterobacterales, Acinetobacter baumannii, Pseudomonas aeruginosa, Staphylococcus aureus and Enterococcus faecium healthcare-associated bloodstream infections in Brazil (ASCENSION): a prospective, multicentre, observational study

Laura C. Antochevis, Camila Mörschbächer Wilhelm, Beatriz Arns et al. · The Lancet Regional Health - Americas · 2025 · 26 citations · Full text

Veterinary Medicine, Infectious Diseases, Antimicrobial Resistance +16