@article{:/content/10.2807/esm.11.02.00597-es, author = "Jensen, C and Ethelberg, S and Gervelmeyer, A and Nielsen, E M and Olsen, K EP and Mølbak, K", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.11.02.00597-es", doi = "https://doi.org/" }