Global circulation patterns of seasonal influenza viruses vary with antigenic drift.
Trevor BedfordSteven RileyIan G. BarrShobha BroorMandeep ChadhaNancy J. CoxRodney S. DanielsC. Palani GunasekaranAeron C. HurtAnne KelsoAlexander KlimovNicola S. LewisXiyan LiJohn W. McCauleyTakato OdagiriVarsha PotdarAndrew RambautYuelong ShuEugene SkepnerDerek J. SmithMarc A. SuchardMasato TashiroDayan WangXiyan XuPhilippe LemeyColin A. RussellPublished in: Nat. (2015)