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Detecting Differential Transmissibilities That Affect the Size of Self-Limited Outbreaks

Figure 3

Comparing the transmissibility of measles in the United States (1997–1999) and Canada (1998–2001).

The layout is analogous to Figure 2, except that the axes represent locations rather than time periods. Because of the ambiguity in the correct classification of an infection cluster with six cases that had two primary infections, this data point was not included in panels B and C (but it was included in the calculations for panel A, as our method accounts for all possible chains in this cluster).

Figure 3