| optimization of the cutoff value for a commercial anti-dengue virus igg immunoassay. | a commercial anti-dengue virus (anti-denv) indirect igg enzyme-linked immunosorbent assay (elisa) for serological diagnosis was evaluated for its utility in determining previous denv exposure in u.s. travelers. the boston area travel medicine network clinics used focus diagnostics anti-denv igg elisa to measure anti-denv igg antibodies in 591 pretravel specimens from u.s. residents who had traveled to countries where dengue is endemic. when using the manufacturer's index cutoff value for this el ... | 2013 | 23302742 |