This investigation evaluates assays detecting H5 antibodies in various samples, indicating effective immunity assessment.
We evaluated 2 electrochemiluminescence serologic assays to detect avian influenza H5 antibodies. Both assays identified H5 antibodies from both serum and dried blood spots and had strong specificity and minimal cross-reactivity in human and avian samples. Such assays can support populationwide serologic surveys aimed at assessing population-level immunity.
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Márquez et al. (2026) studied this question.
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