%0 Journal Article %A Linge, J P %A Steinberger, R %A Weber, T P %A Yangarber, R %A van der Goot, E %A Al Khudhairy, D H %A Stilianakis, N I %T Internet surveillance systems for early alerting of health threats %D 2009 %J Eurosurveillance %V 14 %N 13 %P 19162 %R doi:https://doi.org/10.2807/ese.14.13.19162-en %K surveillance %U https://www.eurosurveillance.org/content/10.2807/ese.14.13.19162-en