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
Classification of pneumonia now the most commonly used classification scheme, attempts to identify a person's risk factors when he or she first comes to medical attention. The advantage of this classification scheme over previous systems is that it can help guide the selection of appropriate initial treatments even before the microbiologic cause of the pneumonia is known. There are two broad categories of pneumonia in this scheme: community-acquired pneumonia and hospital-acquired pneumonia. A recently introduced type of healthcare-associated pneumonia (in patients living outside the hospital who have recently been in close contact with the health care system) lies between these two categories. Classification