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Subjects
- Disease Outbreaks[remove]345
- Cholera109
- Yellow Fever85
- India29
- Philadelphia -- epidemiology29
- Mortality26
- New York City23
- England20
- Philadelphia20
- Cholera -- epidemiology17
- United States15
- Yellow Fever -- epidemiology9
- Meteorological Concepts8
- Military Medicine8
- New York8
- Cholera -- prevention & control7
- Climate7
- Fever7
- London7
- History, 18th Century6