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Table 2 Anti-Ov16 IgG4 seroconversion rates resulting from the reverse catalytic model fits for each age group with each village cluster shown in Fig. 6

From: Analysis of age-dependent trends in Ov16 IgG4 seroprevalence to onchocerciasis

Village cluster by seroprevalence

1st FOI fit

2nd FOI fit

Age range (years)

Seroconversion rate (lambda)

Age range (years)

Seroconversion rate (lambda)

≤ 15 %

5–25

0.0026

> 25

0.01

> 15–20 %

5–20

0.0051

> 20

0.02

> 20 %

5–16

0.0071

> 16

0.02

  1. The age ranges also indicate the optimal point of transition from the first force-of-infection (FOI) fit to the second FOI fit (ages 25, 20, and 16)