Update on vaccine-derived polioviruses--worldwide, January 2008-June 2009.  [electronic resource] 

 -  MMWR. Morbidity and mortality weekly report  Sep 2009 
 - 1002-6 p.  digital 
<br/><br/> Publication Type: Journal Article 
<br/><br/><label>ISSN: </label>1545-861X 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult<br/>Africa--epidemiology<br/>Argentina--epidemiology<br/>Child<br/>Disease Outbreaks<br/>Environmental Monitoring<br/>Epidemiological Monitoring<br/>Europe--epidemiology<br/>Female<br/>Global Health<br/>Humans<br/>Immunocompromised Host<br/>Infant<br/>Israel--epidemiology<br/>Male<br/>Poliomyelitis--epidemiology<br/>Poliovirus--classification<br/>Poliovirus Vaccine, Oral--administration & dosage<br/>United States--epidemiology