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Empowering African Expertise: Enhancing Safety Data Integration and Signal Detection for COVID-19 Vaccines Through the African Union Smart Safety Surveillance Joint Signal Management Group.
Drug Saf
January 2025
Department of Public Health Pharmacy and Management, Sefako Makgatho Health Sciences University, Pretoria, South Africa.
Introduction: The COVID-19 pandemic accelerated new vaccine development. Limited safety data necessitated robust global safety surveillance to accurately identify and promptly communicate potential safety issues. The African Union Smart Safety Surveillance (AU-3S) program established the Joint Signal Management (JSM) group to support identification of potential vaccine safety concerns in five pilot countries (Ethiopia, Ghana, Kenya, Nigeria, South Africa), accounting for approximately 35% of the African population.
View Article and Find Full Text PDFEffectiveness of the AZD1222 vaccine against COVID-19 hospitalization in Europe: final results from the COVIDRIVE test-negative case-control study.
Eur J Public Health
January 2025
Medical Evidence, Vaccines & Immune Therapies, BioPharmaceuticals Medical, AstraZeneca, Cambridge, United Kingdom.
Marketing authorization holders of vaccines typically need to report brand-specific vaccine effectiveness (VE) to the regulatory authorities as part of their regulatory obligations. COVIDRIVE (now id. DRIVE) is a European public-private partnership for respiratory pathogen surveillance and studies of brand-specific VE with long-term follow-up.
View Article and Find Full Text PDFPersistence of SARS-CoV-2 Antibodies for a Year Following SARS-CoV-2 Vaccinations (BBV152 and ChAdOx1 nCoV-19).
Indian J Clin Biochem
January 2025
Department of Pulmonary Medicine, All India Institute of Medical Sciences, New Delhi, India.
The first two vaccines administered in the COVID-19 vaccination campaign of India were Covaxin (BBV152) and Covishield (ChAdOx1-nCoV-19). In this study, we evaluate the longevity and sustainability of the humoral immune response after vaccination and various factors influencing it. An observational study was conducted in individuals who received both doses of Covaxin or Covishield vaccine, and their blood samples were analyzed for total-antiRBD-SARS-CoV-2 antibodies.
View Article and Find Full Text PDFSafety and humoral immunogenicity of the ChAdOx1 nCoV-19 vaccine administered as a fourth dose booster following two doses of ChAdOx1 nCoV-19 and a third dose of BNT162b2 (COV009): A prospective cohort study.
J Infect
January 2025
Oxford Vaccine Group, Department of Paediatrics, University of Oxford, Oxford, UK; NIHR Oxford Biomedical Research Centre, Oxford, UK; Pandemic Sciences Institute, University of Oxford, Oxford, UK; Chinese Academy of Medical Science (CAMS) Oxford Institute, University of Oxford, Oxford, UK.
Objectives: Evaluation of the safety and humoral immunogenicity of ChAdOx1 nCoV-19 as a fourth dose booster in individuals who have had two initial doses of the vaccine and a third dose of BNT162b2.
Methods: COV009 is a safety follow-up study of volunteers enroled in the pivotal pre-licensure ChAdOx1 nCoV-19. In this sub-study, 149 eligible participants were given a fourth dose of ChAdOx1 nCoV-19.
Safety of COVID-19 Vaccines in Patients With Multiple Sclerosis: A Cross-Sectional Study From a Tertiary Rehabilitation Center in Saudi Arabia.
Cureus
December 2024
Internal Medicine, Sultan Bin Abdulaziz Humanitarian City, Riyadh, SAU.
Background The safety and adverse effects (AEs) associated with approved COVID-19 vaccines in individuals with multiple sclerosis (MS) require further examination, particularly as there is limited information available for MS patients in Saudi Arabia. This study sought to investigate the reported AEs of COVID-19 vaccines among MS patients admitted to a major rehabilitation center in Saudi Arabia. Methods A cross-sectional analysis was conducted from January 2023 to March 2024 at Sultan Bin Abdulaziz Humanitarian City (SBAHC) in Riyadh.
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