It was 25 years ago today: Epidemiologic Notes and Reports Pneumocystis Pneumonia — Los Angeles In the period October 1980-May 1981, 5 young men, all active homosexuals, were treated for biopsy-confirmed Pneumocystis carinii pneumonia at 3 different hospitals in Los Angeles, California. Two of the patients died. All 5 patients had laboratory-confirmed previous or current … Continue reading Twenty-five years