Figure 1. Study sites for trapping of rodents and isolation of lymphocytic choriomeningitis virus in Lombardy (LOM), Trentino-Alto Adige (TAA), and Veneto (VNT) in northern Italy, 2000–2006. GR, Grosotto/Mazzo; MO, Molveno; VN, Val Non; VC, Val Cembra; VF, Val Fiemme; LL, Laghi Lamar; DG, Dos Gaggio; VS, Val Sella; CA, Candaten. Circles indicate sites of extensive sampling and triangles indicate sites of intensive sampling. Background map: True marble by Unearthed Outdoors LLC (Madison, WI, USA) is licensed under a Creative Attribution 3.0 United States License (www.unearthedoutdoors.net/global_data/true_marble/download).