SVDV incidence through time.

<p>Weekly number of new SVDV outbreaks through time (14 November 2006 to 22 October 2007).</p

Outbreak locations in period 2.

<p>Detail of the areas affected by the epidemic in period 2. Across the affected area in Brescia that was pre-emptively depopulated, the local farm density is close to 1 farm per km² (for details see Figure 5 of <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0062878#pone.0062878-Bellini1" target="_blank">[2]</a>).</p

Outbreak locations.

<p>Map of Lombardy with the locations of the outbreaks arisen in the two epidemic periods (purple symbols: period 1, red symbols: period 2) and with municipalities color coded according to pig farm density (measured in herds per km²). The labels are referring to the provinces; BG: Bergamo, BS: Brescia, CO: Como, CR: Cremona, LC: Lecco, LO: Lodi, MN: Mantua, MI: Milan, PV: Pavia, SO: Sondrio, VA: Varese. We note that the average farm density across a whole municipality is generally lower than the actual local farm density around farm locations in that municipality.</p