%0 Journal Article %A Handysides, S %T Influenza and the difference a year can make %D 1998 %J Weekly releases (1997–2007) %V 2 %N 51 %P 1109 %R doi:https://doi.org/10.2807/esw.02.51.01109-en %K influenza %U https://www.eurosurveillance.org/content/10.2807/esw.02.51.01109-en