@article{:/content/10.2807/esm.04.02.00041-fr, author = "Bollag, U and Cloetta, J and Oberreich, J and Paget, W J", title = "", journal = "", year = "", volume = "", number = "", eid = , pages = "", url = "https://www.eurosurveillance.org/content/10.2807/esm.04.02.00041-fr", doi = "https://doi.org/" }