RT Journal Article SR Electronic(1) A1 Meijer, A A1 Meerhoff, T J A1 Meuwissen, L. E. A1 Van Der Velden, J A1 Paget, W J YR 2006 T1 Very little influenza activity in Europe up until the end of 2005 JF Weekly releases (1997–2007) VO 11 IS 1 SP 2869 OP DO https://doi.org/10.2807/esw.11.01.02869-en UL https://www.eurosurveillance.org/content/10.2807/esw.11.01.02869-en