Volume 19, Number 10—October 2013
Research
Emergence of Vaccine-derived Polioviruses, Democratic Republic of Congo, 2004–2011
Figure1

Figure1. . Geographic distribution of vaccine-derived polivirus type 2 from patients from the Democratic Republic of Congo (DR Congo). Viruses are represented by circles colored by lineage. Viruses that are not assigned to a lineage are categorized as unclassified.
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