OPV

1 definition found

From WordNet (r) 2.0 [wn]:

  OPV
       n : an oral poliovirus vaccine (containing live but weakened
           poliovirus) that is given to provide immunity to
           poliomyelitis [syn: {Sabin vaccine}, {oral poliovirus
           vaccine}, {trivalent live oral poliomyelitis vaccine}, {TOPV}]