Environmental Medicine Integrating a Missing Element into Medical Education (1995) / Chapter Skim
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Case Study 20: Legionaires' Disease: Description of an Epidemic of Pneumonia
Case Study 20: Legionaires' Disease: Description of an Epidemic of Pneumonia
Pages 436-444
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From page 436... ...
Persons who attended the conventions included American Legion delegates, delegates of the Ladies Auxiliary, members of the families of Legion and Auxiliary delegates, and other Legionnaires with no formal role at the conventions. Official activities of the American Legion Convention incuded meetings for all delegates, a parade, a testimonial dinner, a dance, committee meetings, regional caucuses and a breakfast.
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From page 437... ...
After recognition on August 2 that an outbreak had occurred among those attending the American Legion Convention, the Pennsylvania Department of Health alerted local health officials to help in the investigation. State health officials also notified the Pennsylvania Medical Society, the Pennsylvania Osteopathic Association and the Hospital Association of Pennsylvania of a potential statewide epidemic.
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From page 438... ...
. Nine of 14 cases of Broad Street pneumonia in which adequate serum specimens were obtained four to seven months after the epidemic showed seroconversion or seropositivity.
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From page 439... ...
Five persons admitted to some contact with Legionnaires during the convention; six had attended the Eucharistic Congress. Illness meeting the clinical criteria was rare except in Hotels A and B in the week of the American Legion Convention (Table 3)
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From page 440... ...
64 lun from Philadelphia. Time of Exposure -The 72 persons with Legionnaires' disease or Broad Street pneumonia who were shown to have seroconversion or from whom the agent of Legionnaires' disease was cultured, 67 attended the American Legion Convention or were in or in the vicinity of Hotel A in the interval July 1 through July 24 (Fig.
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From page 441... ...
Five of the 12 family members who were ill and from whom information was available and none of those who had Broad Street pneumonia attended hospitality rooms. The mean number of minutes spent in the lobby of Hotel A by Legionnaire patients (delegates and nondelegates)
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From page 442... ...
Forty-five of 69 ill delegates drank water as compared with 469 of 976 well delegate'controls, a significant difference at the 0.01 level. The relation holds even when corrected for the number of .DISCU - ION Between July 22 and August 3, 1976, there was a remarkable incidence of febrile respiratory disease among persons who had attended the American Legion Convention from duly 21 to'24.
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From page 443... ...
However, 35 per cent of ill delegates and 38 per cent of all ill persons queried said that they never drank water at Hotel A Furthermore, none of those who had Broad Street pneumonia drank water from Hotel A
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From page 444... ...
Morbid Mortal Weekly Rep 17:315-320, 1968 Institutional outbreak of pneumonia. Morbid Mortal Weekly Rep 14: 265-286, 1965 7.
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