Anatomy of Bluetongue virus Serotype 8 Epizootic Wave, France, 2007-2008
Figure 1. Locations included in a serologic study of the 2007 epizootic wave of bluetongue virus serotype 8 (BTV-8) among cattle herds in France. Black lines indicate the 7 departments included in the study: 6 departments aligned on an east–west transect (codes 18, 41, 36, 37, 49, and 35); and the first department to report BTV-8 infection in 2006 (code 08). Dots represent locations of BTV-8 outbreaks during 2007.