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Subjects
- Military Personnel13
- Health Behavior11
- Sexually Transmitted Diseases -- prevention & control11
- United States11
- Hygiene9
- Disease Transmission, Infectious -- prevention & control8
- Tuberculosis, Pulmonary -- prevention & control6
- Cough5
- Tuberculosis -- prevention & control5
- World War II5
- American National Red Cross.4
- Blood Donors4
- Public Health4
- Sexually Transmitted Diseases4
- Sneezing4
- Syphilis -- prevention & control4
- Women4
- Gonorrhea -- prevention & control3
- Housekeeping3
- USSR3