Drug-Resistant Pandemic (H1N1) 2009, South Korea

Abstract

Eleven patients with drug-resistant pandemic (H1N1) 2009 were identified in South Korea during May 2009–January 2010. Virus isolates from all patients had the H275Y mutation in the neuraminidase gene. One isolate had the I117M mutation. Of the 11 patients, 6 were <59 months of age, and 5 had underlying immunosuppressive conditions.

Keywords

• Pandemic (H1N1) 2009 virus
• influenza
• viruses
• oseltamivir
• antimicrobial resistance
• antiviral drugs