Leptospirosis in Urban Wild Boars, Berlin, Germany
Andreas Jansen* , Enno Luge†, Beatriz Guerra†, Petra Wittschen‡, Achim D. Gruber‡, Christoph Loddenkemper§, Thomas Schneider§, Michael Lierz‡, Derk Ehlert¶, Bernd Appel†, Klaus Stark*, and Karsten Nöckler†
Author affiliations: *Robert Koch Institute, Berlin, Germany; †Federal Institute for Risk Assessment, Berlin, Germany; ‡Freie Universität Berlin, Berlin, Germany; §Charité, Campus Benjamin Franklin, Berlin, Germany; ¶Senate Department of Urban Development, Berlin, Germany;
Figure 2. A) Normal renal parenchyma from wild boar seropositive for Leptospira spp. (hematoxylin and eosin [HE] staining). B) Kidney from a seropositive wild boar, showing chronic interstitial nephritis (HE staining). Inset: silver-stained leptospire (arrow) within the tubulus epithelium of the kidney (Warthin-Starry, oil ×1,000). C) Normal renal parenchyma (Masson trichrome staining). D) Kidney with severe interstitial fibrosis (green) as a result of chronic interstitial nephritis in a wild boar seropositive for Leptospira spp. (Masson trichrome staining). Scale bars represent 50 μm.
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