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Volume 15, Number 7—July 2009


Risk Factors for Human Infection with Puumala Virus, Southwestern Germany

Anne Caroline SchwarzComments to Author , Ulrich Ranft, Isolde Piechotowski, James E. Childs, and Stefan O. Brockmann
Author affiliations: Bernhard-Nocht-Institute for Tropical Medicine, Hamburg, Germany (A.C. Schwarz); Institut für umweltmedizinische Forschung, Düsseldorf, Germany (U. Ranft); Baden-Württemberg State Health Office, Stuttgart, Germany (I. Piechotowski, S.O. Brockmann); Yale University School of Medicine, New Haven, Connecticut, USA (J.E. Childs)

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Table 2

Bank vole habitat and human population density per district, Baden-Württemberg, Germany, 2001–2007

Density Habitat cover, % total district area
Human population density/km2 district area
Beech forest Seed plants Dwarf shrubs Bilberry Blackberry
Minimum 1.6 1.3 0.0 0.0 0.2 104
Median 8.1 3.9 0.2 0.2 1.8 323
Maximum 17.7 11.3 10.6 10.3 6.2 2,864



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