Swaan, C.

virus fluenza patient oseltamivir netherland fluenza virus pandemic meijer specimen detection resistance study therapy analysis surveillance substitution fluenza viruses laboratory ic 50 values van der vries oseltamivir therapy hospital health 2009. h 275y emergence susceptibility jonge contact research sequence immunosuppressed variant value isolation sentinel period center koopman infection rt-pcr fluenza pandemic network immunosuppressed patients zanamivir disease nucleotide triton x -100 81–89 health care worker addition 2010. result h 275y substitution transmission sequencing assay pb 2 sequences treatment identi fied acid substitution nonsentinel sources 45 cycles 19 patients hematologic disorder fluenza illness pandemic period number oseltamivir-resistant virus lackenby bootstrap value condition virol transmissibility cycle neuraminidase outlier firmed phylogenetic illness