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Subjects
- Schistosomiasis -- prevention & control2
- Schistosomiasis -- transmission2
- Scrub Typhus -- prevention & control4
- Scrub Typhus -- transmission1
- Sexual Behavior5
- Sexually Transmitted Diseases -- prevention & control8
- Syphilis -- prevention & control3
- Trombiculidae -- pathogenicity1
- Tuberculosis, Pulmonary -- prevention & control1
- United States5
- United States. Army Nurse Corps.1
- Water -- parasitology4
- World War II2