Polio Highlight (19) - 14 May 2011 - PAHO/WHO | Pan American Health Organization

Download (1.42 MB)	Progress Toward Interruption of Wild Poliovirus Transmission - Worldwide, January 2010-March 2011 US Centers for Disease Control and Prevention, MMWR. May 13, 2011 / 60(18);582-586 Original article available here