Fig. 3From: Probability of dengue transmission and propagation in a non-endemic temperate area: conceptual model and decision risk levels for early alert, prevention and controlDengue incidence and risk factor surveillance. a Reproduction number (time-dependent). b Dengue incidence of local confirmed and imported cases, and Tweets with dengue content. c Environmental indicators surveillance: minimum, maximum and mean temperatures; precipitation and humidity. d Vector indicators surveillance: house and Breteau indices of larval survey, mean infestation of adult mosquitoes (IMFA) and virus circulation in mosquitoes. All data are aggregated as weekly means from September 2012 to March 2017Back to article page