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Cholera
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180
Disease Outbreaks
53
India
12
England
11
New York City
7
Public Health
4
Russia
4
Boston
3
Homeopathy
3
Kentucky
3
New York
3
Paris
3
Communicable Diseases
2
Diet
2
Disease Transmission, Infectious
2
Epidemiology
2
Hospitals, Municipal
2
Hygiene
2
Medicine
2
Nostrums
2