1. Enterovirus, parechovirus and reovirus infection;Cohen,2015
2. Technical instructions for poliovirus screening and treatment among refugees resettling to the United States from Kenya;Centers for Disease Control and Prevention (CDC),2009
3. Acute Flaccid Paralysis (AFP) Surveillance what is it and why are we doing it?;Health Protection Surveillance Centre (HPSC),2013
4. Global Polio Eradication Initiative. Annual report. In WHO POLIO∕07∕02;World Health Organization (WHO),2006
5. Update on vaccine-derived polioviruses;Centers for Disease Control and Prevention (CDC);MMWR Morb Mortal Wkly Rep,2006