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Genomic epidemiology of novel coronavirus (hCoV-19)

"This phylogeny shows evolutionary relationships of HCoV-19 viruses from the ongoing novel coronavirus COVID-19 pandemic. All samples are still closely related with few mutations relative to a common ancestor, suggesting a shared common ancestor some time in Nov-Dec 2019. This indicates an initial human infection in Nov-Dec 2019 followed by sustained human-to-human transmission leading to sampled infections."

Interactive maps and diagrams showing how minor variations in the SARS-CoV-2 virus can show how it has spread.

Source: nextstrain.org

hcov-19 ancestor novel common coronavirus human-to-human nextstrain nov-dec