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. Author manuscript; available in PMC: 2013 Aug 1.
Published in final edited form as: Curr Opin Virol. 2012 Jul 6;2(4):508–514. doi: 10.1016/j.coviro.2012.06.004

Figure 1.

Figure 1

Model of contemporary SV40 infections and association with cancer in humans. The diagram illustrates the proposal that SV40 infections were established in humans primarily by exposure to contaminated oral poliovaccines and that infections persist today in geographic regions where poor sanitation or living conditions allow maintenance of cycles of infections transmitted by a fecal/urine–oral route. Predictions related to the prevalence of SV40 infections in different locations are listed.