European influenza viruses resistant to tamiflu, oseltamivir
Preliminary results from a survey of antiviral drug susceptibility among seasonal influenza viruses circulating in Europe has revealed that some of the A (H1N1) viruses in circulation this winter are resistant to the antiviral drug, oseltamivir (also know by the brand name Tamiflu). – Preliminary surveillance into antiviral drug susceptibility against seasonal flu viruses currently circulating in Europe has revealed that some of the A (H1N1) viruses (13%) have shown resistance to the antiviral drug, oseltamivir (Tamiflu). These viruses however, remain sensitive to the antivirals, zanamivir and amantadine.