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. Author manuscript; available in PMC: 2023 Oct 2.
Published in final edited form as: J Infect Dis. 2014 Nov 1;210(Suppl 1):S234–S242. doi: 10.1093/infdis/jiu379

Table 2.

Seroprevalence, by Age and Poliovirus Serotype

Type 1
 Type 2
 Type 3
Age, mo Patients, No. No. Positive Percentage Positive (95% CI) No. Positive Percentage Positive (95% CI) No. Positive Percentage Positive (95% CI)
6–11 169 165 96.4 (92.5–98.4) 62 36.7 (29.8–44.2) 66 39.0 (32.0–46.6)
12–23 383 374 97.6 (95.6–98.8) 213 55.6 (50.8–60.5) 236 61.6 (56.7–66.4)
24–59 398 391 98.2 (96.4–99.1) 292 73.4(68.8–77.5) 295 74.1 (69.6–78.2)

Abbreviation: CI, confidence interval.