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Defining Seropositivity Thresholds for Use in Trachoma Elimination Studies

Table 2

The mean OD₄₅₀ value for the five controls sera used on the ELISA plates.

Mean, SD and coefficient of variation for the five serum standards run alongside the Ugandan samples across 24 plates. Data were similar for the standards run alongside the Laotian and Gambian samples.

doi: https://doi.org/10.1371/journal.pntd.0005230.t002