Oseltamivir Resistance in Severe Influenza A(H1N1)pdm09 Pneumonia and Acute Respiratory Distress Syndrome: A French Multicenter Observational Cohort Study.

Behillil, Sylvie; May, Faten; Fourati, Slim; Luyt, Charles-Edouard; Chicheportiche, Thomas; Sonneville, Romain; Tandjaoui-Lambiotte, Yacine; Roux, Damien et al. · Clin Infect Dis · 2020

prospective_cohort · Level II

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Abstract

In a multicenter cohort study including 22 oseltamivir-treated patients with influenza A(H1N1)pdm09 acute respiratory distress syndrome, prevalence of the H275Y substitution in the neuraminidase, responsible for highly reduced sensitivity to oseltamivir, was 23%. Patients infected with the H275Y mutant virus had higher day 28 mortality than others (80% vs 12%; P = .011).

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