Subjects
- Hypertension -- prevention & control1
- Military Personnel1
- Motor Vehicles1
- Pneumonia -- prevention & control1
- Poliomyelitis -- prevention & control1
- Poliovirus Vaccines1
- Quarantine1
- Safe Sex11
- Sarcoma, Kaposi1
- Scarlet Fever -- prevention & control1
- Sexual Abstinence1
- Sexual Behavior4
- Sexually Transmitted Diseases -- prevention & control10
- Sexually Transmitted Diseases -- transmission5
- Signs and Symptoms2
- Smoking -- prevention & control1
- Social Support7
- Syphilis -- prevention & control1
- Typhus, Epidemic Louse-Borne -- prevention & control1
- Whooping Cough1