The group led by Dr. Enrique J. Calderón – "Clinical Epidemiology and Vascular Risk" at the Institute of Biomedicine of Seville – IBiS/University Hospitals Virgen del Rocío and Macarena/CSIC/University of Seville, also a member of CIBERESP, participated in a project with researchers from CIBER-BBN, in which they developed systems to detect Pneumocystis jirovecii, an atypical