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Dr Abelardo Fernández Chávez

Dr Abelardo Fernández Chávez

Specialist in
  • Clinical vaccinology and vaccination planning for adults.
  • Clinical epidemiology, epidemiological surveillance and infection control.
  • Healthcare management, patient safety and immunisation programmes.
«Evidence-based prevention and innovation are the most effective tools for improving people’s health and patient safety.»
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Professional profile

A specialist in Preventive Medicine and Public Health, with experience in clinical vaccinology, clinical epidemiology, infection control, patient safety and healthcare management. His work focuses on the comprehensive assessment and vaccination planning for adults, with particular attention to immunocompromised patients, vaccine-preventable diseases, international vaccination and the prevention of respiratory infections.

His career combines clinical responsibility in vaccination units, experience in international vaccination centres, university teaching, scientific research and healthcare management. He has carried out significant scientific work in the fields of vaccination, COVID-19, invasive pneumococcal disease, immunocompromised patients, the use of rapid diagnostic tests and patient safety.

Education

Specialist medical training in Preventive Medicine and Public Health, supplemented by advanced training in healthcare management, public health, vaccinology, clinical research methodology, statistics in health sciences, and Family and Community Medicine.

2025 | Master’s Degree in Healthcare Management and Planning for Healthcare Executives. European University of Madrid.
2022 | Doctor of Health Sciences. University of Alcalá.
2020 | Specialisation in Vaccines. University of Santiago de Compostela.
2018 | Specialist in Preventive Medicine and Public Health.
2018 | Training in Clinical Research Methodology. University of Alcalá.
2017 | Training in Statistics in Health Sciences. Autonomous University of Barcelona.
2015 | Master’s in Public Health. National School of Public Health. Carlos III Health Institute.
2006 | Expert in Haemodialysis. Complutense University of Madrid.
2005 | Specialist in Family and Community Medicine.
1999 | Bachelor’s Degree in Medicine and Surgery. National University of Tucumán.

Professional experience

Professional experience in Preventive Medicine and Public Health, clinical vaccinology, epidemiology, international vaccination, patient safety, healthcare management and the planning of immunisation programmes.

2025 – Present | Associate Professor. CEU San Pablo University.
2022 – Present | Associate Professor. International University of La Rioja.
2020 – Present | Head of the Vaccines Unit. Department of Preventive Medicine. Ramón y Cajal University Hospital.
2018 – 2020 | Specialist Doctor. International Vaccination Centre.
2014 – 2018 | Junior Registrar in Preventive Medicine. Ramón y Cajal University Hospital.
2006 – 2013 | Medical Director of the AMEX Haemodialysis Unit.

Scientific publications

Scientific work focusing on clinical vaccinology, COVID-19, invasive pneumococcal disease, immunocompromised patients, patient safety, hospital epidemiology and public health.

2026 | Fernández Chávez A, et al. Master’s programmes in vaccinology in Spain: a nationwide systematic environmental scan and a Delphi-informed core curriculum proposal. Frontiers. 2026. doi:10.3389/fpubh.2026.1707015
2026 | Fernández Chávez A, et al. Differences in the burden of COVID-19-related hospitalisation between kidney transplant recipients and haemodialysis patients vaccinated against COVID-19. Human Vaccines & Immunotherapeutics. 2026. doi:10.1080/21645515.2026.2615506
2025 | Fernández Chávez A, et al. Serological response following the fourth dose of the COVID-19 vaccine in highly immunosuppressed patients. Vaccines. 2025. doi:10.3390/vaccines13100994
2025 | Fernández Chávez A, et al. Similar risk of hospitalisation and mortality from COVID-19 in transplant recipients and patients on the waiting list: A comparative analysis. Infectious Diseases and Clinical Microbiology. 2025. doi:10.1016/j.eimce.2025.02.005
2024 | Fernández Chávez A, et al. Use of Paxlovid in Patients Who Have Received Their First COVID-19 Vaccine Dose. Journal of Clinical Medicine. 2024. doi:10.5281/ZENODO.14014968

Areas of special focus

Work focusing on prevention, clinical vaccinology, hospital epidemiology, infection control and patient safety.

  • Immunocompromised patients.
  • Vaccine-preventable diseases.
  • Healthcare-associated infections.
  • Invasive pneumococcal disease.
  • COVID-19 and other respiratory infections.

Techniques and procedures

Application of procedures specific to preventive medicine, clinical vaccinology, epidemiology and patient safety.

  • Comprehensive assessment and vaccination planning for adults.
  • Vaccination of immunocompromised patients.
  • International and travel vaccination consultations.
  • Epidemiological surveillance and infection control.
  • Design and implementation of immunisation and patient safety programmes.

Accreditations and memberships

It maintains active links with scientific and professional societies in the fields of Preventive Medicine, Public Health, healthcare management and vaccinology, including:

  • Spanish Society of Preventive Medicine, Public Health and Healthcare Management (SEMPSPGS).
  • Spanish Association of Vaccinology (AEV).
  • Madrid Society of Preventive Medicine (SMMP).

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