The illustration above shows a sketch of a transmission tree with a subset of cases that were sampled (blue). Such random mutations can help to track the spread of the pathogen and learn about its transmission routes and dynamics. Pathogens spread through rapid replication in one host followed by transmission to another host.Īn epidemic can only take off when one infection results in more than one subsequent infections.Īs the pathogen replicates and spreads, its genome needs to be replicated many times and random mutations (copying mistakes) will accumulate in the genome. Transmission trees vs phylogenetic trees ¶ Add your dataset to the collection of SARS-CoV-2 datasets.Fetch datasets & narratives accessible via a public URL.Community Sharing of Results Via GitHub.Scalable Sharing with Nextstrain Groups.Inferring Sequence Traits (like Drug Resistance).Finding a translate and align reference file.
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