Update on vaccine-derived polioviruses--worldwide, April 2011-June 2012.

  title={Update on vaccine-derived polioviruses--worldwide, April 2011-June 2012.},
  journal={MMWR. Morbidity and mortality weekly report},
  • Published 2012 in MMWR. Morbidity and mortality weekly report
In 1988, the World Health Assembly resolved to eradicate poliomyelitis worldwide. One of the main tools used in polio eradication efforts has been the live, attenuated oral poliovirus vaccine (OPV). This inexpensive vaccine is administered easily by mouth, makes recent recipients resistant to infection by wild polioviruses (WPVs), and provides long-term protection against paralytic disease through durable humoral immunity. Nonetheless, rare cases of vaccine-associated paralytic poliomyelitis… CONTINUE READING


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