Population
4 individuals from three separate communities in the Philippines
Design
Other
Authors
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Alerts to possible decades-long cVDPV persistence from legacy OPV; leaves open recombination dynamics and need for prospective genomic surveillance.
The study identifies the circulation of a highly evolved type 1 vaccine-derived poliovirus in the Philippines, highlighting the potential for oral poliovirus vaccines to revert and circulate in under-immunized populations.
Shimizu et al. (2004) studied this question.
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