Fig. 4: Temporal signal and mean evolutionary rate estimates for coronaviruses HCoV-OC43, MERS and SARS. | Nature Microbiology

Fig. 4: Temporal signal and mean evolutionary rate estimates for coronaviruses HCoV-OC43, MERS and SARS.

From: Evolutionary origins of the SARS-CoV-2 sarbecovirus lineage responsible for the COVID-19 pandemic

Fig. 4

ac, Root-to-tip (RtT) divergence as a function of sampling time for the three coronavirus evolutionary histories unfolding over different timescales (HCoV-OC43 (n = 37; a) MERS (n = 35; b) and SARS (n = 69; c)). Decimal years are shown on the x axis for the 1.2 years of SARS sampling in c. d, Mean evolutionary rate estimates plotted against sampling time range for the same three datasets (represented by the same colour as the data points in their respective RtT divergence plots), as well as for the comparable NRA3 using the two different priors for the rate in the Bayesian inference (red points).

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