The simple yet persuasive interactive infographic accompanying the NYTimes article “For the Elderly, Diseases That Overlap” [nytimes.com], reveals the relative frequency with which different chronic diseases overlap for residents in assisted-living facilities.

Based on the dynamic morphing of different Venn diagrams, the reader is invited to click to a series of predefined disease combinations, after which the interface provides more freedom to interactively select any pair-wise aggregation.