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. 2003 Dec;77(23):12460–12465. doi: 10.1128/JVI.77.23.12460-12465.2003

TABLE 3.

Calculated “ages” of the VP1-coding region of the isolatesa

Isolate name Ks for VP1 coding regionb “Age” (mo) Time (mo) after OPV reintroduction
P2S/Mog65-1 1.6 6-7 2
P2S/Mog65-2 0.3 1.1-1.2 5
P2S/Mog65-3 1.6 6-7 7
P2S/Mog66-4 2.1 8-9 10
a

The “ages” were calculated on the basis of the rates of synonymous substitutions/synonymous site/year of 3.28 × 10−2 (13) and 2.85 × 10−2 (1, 6). Both values thus obtained are given.

b

Ks, percentage of mutated synonymous sites among all synonymous sites.