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Subjects
- Cholera7
- Disease Outbreaks4
- Epidemics3
- Vaccination3
- Cholera -- epidemiology2
- New York City2
- New York City -- epidemiology2
- Paris2
- Quebec2
- Yellow Fever2
- Alabama1
- Alms-house (Baltimore, Md.)1
- Almshouses1
- Baltimore1
- Canada1
- Chickenpox -- epidemiology1
- Cholera -- therapy1
- Cowpox1
- Education, Special1
- Hospitals, Psychiatric1