Figure 5From: FluDetWeb: an interactive web-based system for the early detection of the onset of influenza epidemics Analysis of the fourth week of the 2008–2009 season. Weekly influenza incidence rates (per 100.000 inhabitants) during the current season and the previous one indicating that in this week (the fourth of the current 2008–2009 season) the posterior probability of being in an epidemic phase is lower than 0.5.Back to article page