Government or official record
Legionnaires' Disease at 20
Centers for Disease Control and Prevention
Where this source supports the record
Each entry separates the article’s editorial relevance note from its exact, section-level claims. A bibliography link without a direct claim is labeled plainly.
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Epidemics & public health · 21 July–August 1976Open article references →
The 1976 Legionnaires' Disease Outbreak
Bellevue-Stratford Hotel convention site · United States
Why editors use it hereCDC retrospective with cases, deaths, field investigation, laboratory discovery, and legacy.
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Quick read
After an American Legion convention at Philadelphia's Bellevue-Stratford Hotel in July 1976, attendees developed severe pneumonia.
Reviewed 26 July 2026 -
Trigger and conditions
Within days of the convention, attendees experienced fever, cough, chest pain, and rapidly worsening pneumonia.
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Uncertainty
The standard count is 182 cases and twenty-nine deaths, but early reports and later retrospective definitions differ.
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Why it matters
The investigation shows how finding a new pathogen depends on disciplined case definitions, maps, preserved specimens, and willingness to revisit discarded evidence.
Reviewed 26 July 2026
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Quick read