RT Journal Article SR Electronic(1) A1 Blyth, C C A1 Kelso, A A1 McPhie, K A A1 Ratnamohan, V M A1 Catton, M A1 Druce, J D A1 Smith, D W A1 Williams, S H A1 Huang, Q S A1 Lopez, L A1 Schoub, B D A1 Venter, M A1 Dwyer, D E YR 2010 T1 The impact of the pandemic influenza A(H1N1) 2009 virus on seasonal influenza A viruses in the southern hemisphere, 2009 JF Eurosurveillance VO 15 IS 31 SP 19631 OP DO https://doi.org/10.2807/ese.15.31.19631-en UL https://www.eurosurveillance.org/content/10.2807/ese.15.31.19631-en