Open Access Research article

Lessons from a one-year hospital-based surveillance of acute respiratory infections in Berlin- comparing case definitions to monitor influenza

Matthias Nachtnebel*, Benedikt Greutelaers, Gerhard Falkenhorst, Pernille Jorgensen, Manuel Dehnert, Brunhilde Schweiger, Christian Träder, Silke Buda, Tim Eckmanns, Ole Wichmann and Wiebke Hellenbrand

BMC Public Health 2012, 12:245  doi:10.1186/1471-2458-12-245

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