@article{:/content/10.2807/esm.12.05.00705-es, author = "Zhao, H and Joseph, C A and Phin, N", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.12.05.00705-es", doi = "https://doi.org/" }