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Appl Environ Microbiol. 2012 Aug;78(15):5406-9. doi: 10.1128/AEM.00491-12. Epub 2012 May 11.

Detection of imported wild polioviruses and of vaccine-derived polioviruses by environmental surveillance in Egypt.

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  • 1National Institute for Health and Welfare (THL), Department of Infectious Disease Surveillance and Control, Virology Unit, Helsinki, Finland. soile.blomqvist@thl.fi


Systematic environmental surveillance for poliovirus circulation has been conducted in Egypt since 2000. The surveillance has revealed three independent importations of wild-type poliovirus. In addition, several vaccine-derived polioviruses have been detected in various locations in Egypt. In addition to acute flaccid paralysis (AFP) surveillance, environmental surveillance can be used to monitor the wild poliovirus and vaccine-derived poliovirus circulation in populations in support of polio eradication initiatives.

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