phylo·Newick / phylogram conventions·research, healthcare·complexity 3/3·since v0.1.0

SARS-CoV-2 variant chronogram

Chronogram-style phylogenetic tree for major SARS-CoV-2 variants with clade highlights and a year scale.

For the bioinformatics educator

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phylogenetic·§ Newick / NHX

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Scenario

Chronograms use branch lengths as time. For variant surveillance, that means the horizontal distance conveys approximate divergence time rather than only genetic distance.

Annotation key

mode: chronogram and mrsd tell the renderer how to interpret branch lengths.
clade highlights named groups from the Newick leaves.
scale labels the time axis.

Phylo syntax →