RT Journal Article SR Electronic(1) A1 Elliot, A J YR 2009 T1 Syndromic surveillance: the next phase of public health monitoring during the H1N1 influenza pandemic? JF Eurosurveillance VO 14 IS 44 SP 19391 OP DO https://doi.org/10.2807/ese.14.44.19391-en UL https://www.eurosurveillance.org/content/10.2807/ese.14.44.19391-en