Fig. 3From: Close contact infection dynamics over time: insights from a second large-scale social contact survey in Flanders, Belgium, in 2010-2011Estimated age-specific contact rates and average number of contacts for the 2010-2011 survey. a Estimated symmetric age-specific contact rates. b Age-specific average number of contacts. The color scale indicates the contact rates from low (white) to high (red)Back to article page