title: A cluster of Pneumocystis carinii infections in children.
mesh_terms: D002648:Child; D002675:Child, Preschool; D003428:Cross Infection; D006801:Humans; D007494:Ireland; D007945:Leukemia, Lymphoid / Q000150:complications*; D011020:Pneumonia, Pneumocystis / Q000453:epidemiology* / Q000209:etiology / Q000635:transmission; D013029:Space-Time Clustering