The influenza season has started in a number of European countries
Arkema, J MS and Meijer, A and Paget, W J and van Casteren, V and Hungnes, O and Mazick, A and Van Der Velden, J, Eurosurveillance, 13, 8021 (2008), https://doi.org/10.2807/ese.13.04.08021-en