Comments: overview of the 5th international workshop on Pneumocystis and the 5th general meeting of the European Concerted Action on Pneumocystis Research.

The major highlights of the meetings were the initiation of efforts to assign different species names to certain Pneumocystis organisms, and the invitation for international participation in a project to map and sequence the genome of P. carinii carinii. The oral and poster presentations demonstrated important advances have been achieved in the past year.