TABLE 1

Antiviral Drug Sensitivities of Influenza Strains Expected to Circulate During the 2012–2013 Influenza Seasona,b

Seasonal Influenza Vaccine Strain (2012–2013)Amantadine (Symmetrel)/Rimantadine (Flumadine)Oseltamivir (Tamiflu)Zanamivir (Relenza)
Seasonal influenza A (H1N1) virus (derived from influenza A [H1N1] pdm09 [pH1N1] virus)ResistantSusceptibleSusceptible
Seasonal influenza A (H3N2) virusResistantSusceptibleSusceptible
Seasonal influenza B virusResistantSusceptibleSusceptible