1. An oral vaccine (containing live but weakened poliovirus) that is given to provide immunity to poliomyelitis
   - Sabin vaccine, oral poliovirus vaccine, OPV, trivalent live oral poliomyelitis vaccine

Type of: poliovirus vaccine

• unidentifiable
• unidentified
• unidentified flying object
• unidimensional
• unidirectional
• unifacial
• unification
• Unification Church
• unified
• unifier
• unifilar
• unifoliate
• uniform
• uniform resource locator
• uniformed
• uniformise
• uniformitarianism
• uniformity
• uniformize
• uniformly
• uniformness
• unify
• unifying
• unilateral
• unilateral contract