Roosenhoff R, Schutten M, Reed V, Clinch B, et al. Secondary substitutions in the hemagglutinin and neuraminidase genes associated with neuraminidase inhibitor resistance are rare in the Influenza Resistance Information Study (IRIS). Antiviral Res 2021 Mar 10:105060. doi: 10.1016/j.antiviral.2021.105060.
PMID: 33713731