Modeling Undetected Live Poliovirus Circulation After Apparent Interruption of Transmission: Implications for Surveillance and Vaccination
by Dominika A. Kalkowska, Radboud J. Duintjer Tebbens, Mark A. Pallansch, Stephen L. Cochi, Steven G. F. Wassilak, and Kimberly M. Thompson, BMC Infectious Diseases 2015; 15:66, doi: 10.1186/s12879-015-0791-5.

Press coverage - A report in early July of a confirmed case of a persistent serotype 2 circulating vaccine-derived poliovirus (cVDPV2) with onset in May 2015 led to questions about the timing of OPV2 cessation.

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