MMWR report says majority of influenza A (H3N2) cases resistant to vaccine

February 20, 2008

The Centers for Disease Control & Prevention issues influenza activity report.

According to a recent Tamiflu, Roche), all of which were the influenza A H1N1 subtype. However, no resistance to oseltamivir was found among the influenza A H3N2 subtypes or the influenza B viruses tested. No antiviral resistance to zanamivir (