Figure. Distribution over time of Pneumocystis carinii types, as determined by polymerase chain reaction (PCR) – single-strand conformation polymorphism technique (SSCP), observed in Centre Hospitalier Universitaire Vaudois. Each occurrence is represented as a bar corresponding to the period of 15 weeks from 3 months before to 3 weeks after PCP diagnosis. Starred types may exhibit excessive clustering (see text).
The opinions expressed by authors contributing to this journal do not necessarily reflect the opinions of the U.S. Department of Health and Human Services, the Public Health Service, the Centers for Disease Control and Prevention, or the authors' affiliated institutions. Use of trade names is for identification only and does not imply endorsement by any of the groups named above.