Three Years with No Wild Poliovirus Type 3

Three years on since the last child was paralysed by wild poliovirus type 3, we look back on how we got here

10/11/2015

Since the bivalent oral polio vaccine was introduced in 2009, cases of wild poliovirus type 3 dropped rapidly and has now not been found anywhere in the world for three years. © CDC/K. Clark

The 10^th of November is an opportunity to mark three years with no child paralysed by wild poliovirus type 3 (WPV3), a reminder of the role of surveillance in ensuring the world is polio free, and of innovations in driving the programme forward.

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