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Cholera
16
Disease Outbreaks
10
India
4
Epidemics
3
Vaccination
3
Cholera -- epidemiology
2
New York City
2
New York City -- epidemiology
2
Paris
2
Quebec
2
Yellow Fever
2
Alabama
1
Alms-house (Baltimore, Md.)
1
Almshouses
1
Baltimore
1
Canada
1
Chickenpox -- epidemiology
1
Cholera -- therapy
1
Cowpox
1
Disabled Persons
1