Oseltamivir-Resistant Influenza A Pandemic (H1N1) 2009 Virus, Hong Kong, China

Honglin Chen, Hung Tai, Pengxi Zhao, Jasper Fuk‐Woo Chan, Vincent Chi‐Chung Cheng, Kwok‐Hung Chan, Kwok‐Yung Yuen

Emerging infectious diseases · 2009 · 93 citations · 15 references

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Abstract

Resistance to oseltamivir was observed in influenza A pandemic (H1N1) 2009 virus isolated from an untreated person in Hong Kong, China. Investigations showed a resistant virus with the neuraminidase (NA) 274Y genotype in quasi-species from a nasopharyngeal aspirate. Monitoring for the naturally occurring NA 274Y mutation in this virus is necessary.

References

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