Fig. 4: Analysis of local transmission lineages.
From: Evolution and transmission dynamics of wild poliovirus in Pakistan and Afghanistan (2012-2023)
A Flowchart showing the process of generating and classifying local transmission lineages (LTLs). B Classification of LTLs by region over the time period covered by the data. These plots show median numbers of lineages in each group over time over a posterior sample of 300 phylogenies. 95% CrIs for these estimates are shown in Supplementary Fig. S4. The black vertical lines are one year prior to the end of the dataset, after which we can’t be sure of lineage classifications due to data censoring.
