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Subjects
- Cholera[remove]49
- Disease Outbreaks10
- Hygiene4
- Brazil3
- Homeopathy3
- Meteorological Concepts2
- New York City2
- Ohio2
- Public Health2
- Rhode Island2
- Almanacs as Topic1
- Armed Conflicts -- history1
- California1
- Chile1
- Cholera -- prevention & control1
- Cholera -- therapy1
- Cholera Morbus1
- Disease Notification1
- Epidemics1
- Health Knowledge, Attitudes, Practice1