The Morbidity and Mortality Weekly Report carried a report of pneumocystis pneumonia in three haemophilia patients in the US. Linked evidence PRSE0000523 - Article in MMWR Weekly titled 'Epidemiologic Notes and Reports Pneumocystis carinii Pneumonia among persons with Hemophilia A'; 16 July 1982 Chronology Information Date: 16 July 1983 Chapter/issue Role of Government: Response to Risk