Fig. 1 | Nature Communications

Fig. 1

From: Quantifying the spatial spread of dengue in a non-endemic Brazilian metropolis via transmission chain reconstruction

Fig. 1

Spatio-temporal transmission chains. Maximum likelihood transmission chains occurring in Porto Alegre over the four years of study, with a detail on the two largest clusters. Triangles represent imported cases and circles represent locally transmitted cases. Different colors are used to show the time of symptom onset. White lines indicate a transmission link between cases; light gray boundaries indicate borders between administrative neighborhoods

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