Figure 2.
Bayesian maximum clade credibility tree built with full genome sequences of CHIK/PNRCNG/LNSP_INMI1-2019 and CHIK/PNRCNG/LNSP_INMI2-2019 strains highlighted by as an asterisk (*), in the context of 60 full genome sequences representing the 3 major CHIKV lineages: ECSA (n = 44, including the Indian Ocean sub-lineage, n = 26; the IOL sub-lineage includes the Pakistani-Italian 2017 cluster, n = 12 and the Italian 2007 cluster, n = 3), Asia-Caribbean (n = 12), and West Africa (n = 4). Each record consists of accession number, place and year of detection/isolation. The parameters used in BMCC were mutation model General Time Reversible + G, strict clock model and constant size demographic model. It was tested through MCMC for at least 100 × 106 generations. The bar represents time coalescent in years. Sequences harboring the A226V mutation are highlighted by black dots.