RT Journal Article SR Electronic(1) A1 Eurosurveillance editorial team YR 2010 T1 World Health Organization declares post-pandemic phase JF Eurosurveillance VO 15 IS 32 SP 19636 OP DO https://doi.org/10.2807/ese.15.32.19636-en UL https://www.eurosurveillance.org/content/10.2807/ese.15.32.19636-en