RT Journal Article SR Electronic(1) A1 Cox, A A1 Guglielmetti, P A1 Coulombier, D YR 2009 T1 Assessing the impact of the 2009 H1N1 influenza pandemic on reporting of other threats through the Early Warning and Response System JF Eurosurveillance VO 14 IS 45 SP 19397 OP DO https://doi.org/10.2807/ese.14.45.19397-en UL https://www.eurosurveillance.org/content/10.2807/ese.14.45.19397-en