TY - JOUR T1 - THe evolution of influenza resistance and treatment AU - Weinstock DM, Zuccotti G Y1 - 2009/03/11 N1 - 10.1001/jama.2009.324 JO - JAMA SP - 1066 EP - 1069 VL - 301 IS - 10 N2 - In February 2006, the US Centers for Disease Control and Prevention (CDC) reported that 92.3% of the circulating influenza A(H3N2) at that time was resistant to the adamantanes (amantadine and ramantidine), 1 of 2 pharmacological classes available for the treatment of influenza.1 The resistant viruses harbored an S31N amino acid substitution in the influenza M2 protein that confers resistance but does not affect virulence. Although resistance to adamantanes increased to 14.5% in the prior year,2 the dramatic increase in 2005-2006 came as a shock to both the medical and scientific communities and the public.3 SN - 0098-7484 M3 - doi: 10.1001/jama.2009.324 UR - http://dx.doi.org/10.1001/jama.2009.324 ER -