Pneumocystis jirovecii.

Nevez G Host-Pathogen Interaction Study Group (ER GEIHP), University of Angers, University of Western Brittany, Brest, France. Electronic address: Gilles.nevez@univ-brest.fr.
Hauser PM Institute of Microbiology, Lausanne University Hospital and University of Lausanne, Lausanne, Switzerland.
Le Gal S Host-Pathogen Interaction Study Group (ER GEIHP), University of Angers, University of Western Brittany, Brest, France.