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VACCINES

Neuraminidase escape attempts

Influenza vaccine strain selection is informed by international efforts to track antigenic change, focusing on the viral hemagglutinin protein. Recent research advocates monitoring neuraminidase for immune escape mutations that could reduce vaccine efficacy.

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Fig. 1: Influenza A/H3N2 virus NA glycosylation adjacent to the catalytic site facilitates escape from NI antibodies and could compromise protection.

graphs (right) adapted from nextstrain.org, data source GISAID

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Correspondence to Annette Fox.

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Fox, A., Carolan, L. Neuraminidase escape attempts. Nat Microbiol 4, 2031–2032 (2019). https://doi.org/10.1038/s41564-019-0615-2

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