[\'Regional Laboratory of Public Health, Hospital Enfermera Isabel Zendal, Madrid, Spain.\', \'Unit of Microbiology, Hospital Universitario de Burgos, Burgos, Spain.\']
A Pilot Study for the Evaluation of an Interferon Gamma Release Assay (IGRA) To Measure T-Cell Immune Responses after SARS-CoV-2 Infection or Vaccination in a Unique Cloistered Cohort.