1976 swine flu outbreak strain. On July 23, the President sends a letter urging Congress to take action on indemnification. In early August an outbreak of illness in Philadelphia is thought to be related to swine flu. It is found to be an atypical pneumonia thereafter called Legionnaires' disease. On August 6, President Ford holds a press conference urging Congress to take action on the indemnification legislation. Four days later, both Houses of Congress pass the legislation. Merrill becomes the first company to submit samples to the FDA's Bureau of Biologics for safety testing, which approves it on September 2. Merck makes the first
Pneumocystis pneumonia rare cause of pneumonia in neonates. It is commonly believed to be a commensal organism (dependent upon its human host for survival). The possibility of person-to-person transmission has recently gained credence, with supporting evidence coming from many different genotyping studies of "P. jirovecii" isolates from human lung tissue. For example, in one outbreak of 12 cases among transplant patients in Leiden, it was suggested as likely, but not proven, that human-to-human spread may have occurred. Since the start of the AIDS epidemic, PCP has been closely associated with AIDS. Because it only occurs in an immunocompromised host, it may be