Extended Data Fig. 3: Examples of warnings to ensure users pay attention to possible biases while interpreting visualizations on the web interface.

(a) Link (‘Read about biases’) to the caveats page on the web interface in the summary box section of the lineage/mutation tracker. (b) Link (‘Estimates are biased by sampling (read more)’) to the caveats page above the streamgraph on the web interface of the location tracker. (c) Link (‘read more’) to the methods page on the web interface about how characteristic mutations are identified and associated limitations. (d) Warning about the limitations of identifying characteristic mutations when less than 1000 sequences are assigned to a lineage.