Fig. 1From: Incidence estimation from sentinel surveillance data; a simulation study and application to data from the Belgian laboratory sentinel surveillanceThe Belgian NIS2-areas filled in for: the simulated incidence (a), the reported incidence (b), the market share of the sentinel surveillance (f), the proportion of sentinel labs over all labs (d), incidences obtained with the Huff-model (e) and obtained with unadjusted design based weights (c)Back to article page