@article{:/content/10.2807/ese.14.31.19295-en, author = "Novel influenza A(H1N1) investigation team", title = "Description of the early stage of pandemic (H1N1) 2009 in Germany, 27 April-16 June 2009", journal = "Eurosurveillance", year = "2009", volume = "14", number = "31", eid = 19295, pages = "", url = "https://www.eurosurveillance.org/content/10.2807/ese.14.31.19295-en", doi = "https://doi.org/10.2807/ese.14.31.19295-en" }