RT Journal Article SR Electronic(1) A1 Jiang, L A1 Lee, V J A1 Lim, W Y A1 Chen, M I A1 Chen, Y A1 Tan, L A1 Lin, R T A1 Leo, Y S A1 Barr, I A1 Cook, A R YR 2015 T1 Performance of case definitions for influenza surveillance JF Eurosurveillance VO 20 IS 22 SP 21145 OP DO https://doi.org/10.2807/1560-7917.ES2015.20.22.21145 UL https://www.eurosurveillance.org/content/10.2807/1560-7917.ES2015.20.22.21145