1976 Philadelphia Legionnaires' disease outbreak killed 16 persons out of 78 infected was later determined to be Legionnaires' disease. A September 1974 convention of the Independent Order of Odd Fellows was also held at the Bellevue-Stratford Hotel. Out of approximately 1,500 members who attended, 20 developed pneumonia and two died. A later article in "The Lancet" reported: "Illness [high fever and pneumonia] was significantly associated with attendance at one convention activity held on Monday morning, September 16, 1974, in the grand ballroom of the hotel." 1976 Philadelphia Legionnaires' disease outbreak The 1976 Legionnaires disease outbreak, occurring in the late summer in Philadelphia, Pennsylvania, was the
Community-acquired pneumonia decreases with age until late adulthood, with the elderly at risk for CAP and its associated mortality. More CAP cases occur during the winter than at other times of the year. CAP is more common in males than females, and more common in black people than Caucasians. Patients with underlying illnesses (such as Alzheimer's disease, cystic fibrosis, COPD, tobacco smoking, alcoholism or immune-system problems) have an increased risk of developing pneumonia. CAP may be prevented by treating underlying illnesses increasing its risk, by smoking cessation and vaccination of children and adults. Vaccination against "haemophilus influenzae" and "streptococcus pneumoniae" in the