poliovirus vaccine- vaccine prepared from poliovirus to provide immunity to poliomyelitis Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc. Want to thank TFD for its existence?Tell a friend about us, add a link to this page, or visitthe webmaster...
With not a single case of infantile paralysis and with a population already highly protected with IPV (a dead version of the vaccine), the goal was to foster collective immunity so that risk populations could also be protected. This, however, entailed a rather unusual issue: how to persuade ...