| serologic responses to pneumocystis carinii antigens in health and disease. | serum antibodies to human pneumocystis carinii antigens were measured in greater than 400 specimens from different population groups by the immunoblotting technique. serologic responses varied during the first 2 years of life, but in children greater than or equal to 2 1/2 years and in adults antibodies to a 40-kda band were found in greater than 85% of the specimens; antigens to bands of 66, 92, and 116 kda were also detected frequently. the prevalence of serum antibodies in immunosuppressed pa ... | 1990 | 2299209 |