Figure 4From: Variable spikes in tick-borne encephalitis incidence in 2006 independent of variable tick abundance but related to weatherScattergrams of monthly mean daily precipitation and daily maximum temperature for each year for Riga, Latvia. 1970–2004 (grey dots), 2005 (green), 2006 (black) and 2007 (gold). Mean ± 1 st dev for the period 1989–2007 (open circle and bars).Back to article page