Figure 1From: Determinants of the geographic distribution of Puumala virus and Lyme borreliosis infections in BelgiumNumber of human infections over the last decade in Belgium. (a) PUUV human cases between 1994 and 2005. (b) Lyme borreliosis infections between 1994 and 2004. Only data in dark were used in statistical analyses. Data source: Institute of Public Health (IPH).Back to article page