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Subjects
- Communicable Disease Control[remove]211
- Michigan24
- United States18
- Plague -- prevention & control16
- Sanitation15
- Public Health Administration9
- San Francisco9
- Quarantine8
- Rodent Control8
- Scarlet Fever -- prevention & control8
- Cholera -- prevention & control7
- Disinfection7
- United States. Public Health and Marine Hospital Service.7
- Communicable Diseases6
- Hygiene6
- Internationality6
- Ships6
- Tuberculosis, Pulmonary -- prevention & control6
- Emigrants and Immigrants5
- Public Health5