Fig. 4: Posterior distribution of sample count (i.e. tree leaf count; or clade size) resulting from each introduction event. | Nature Communications

Fig. 4: Posterior distribution of sample count (i.e. tree leaf count; or clade size) resulting from each introduction event.

From: Tracing the international arrivals of SARS-CoV-2 Omicron variants after Aotearoa New Zealand reopened its border

Fig. 4: Posterior distribution of sample count (i.e. tree leaf count; or clade size) resulting from each introduction event.

Many of these introductions were singletons and did not lead to any detected secondary infection. Bottom right: the number of times each region was in the sister clade to a community outbreak Sister genomes are down-weighted by their clade size (see Methods).

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