U
- Ulcerative Colitis — see Inflammatory Bowel Disease
- Undulant Fever — see Brucella Infection
- Unexplained Respiratory Disease Outbreaks (URDO)
- Universal Newborn Hearing Screening — see Hearing, Early Detection & Intervention
- Upper Respiratory Infection Symptom Relief — see Symptom Relief for Upper Respiratory Infections
- URDO (Unexplained Respiratory Disease Outbreaks)
- Uterine Cancer
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