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Github Release DOI

Pyro models for SARS-CoV-2 analysis

Overview

Supporting material for the paper "Analysis of 6.4 million SARS-CoV-2 genomes identifies mutations associated with fitness" (medRxiv). Figures and supplementary data for that paper are in the paper/ directory.

This is open source, but we are not intending to support code for use by outside groups. To use outputs of this model, we recommend ingesting the tables strains.tsv and mutations.tsv.

Reproducing

Install software

Clone this repository:

git clone [email protected]:broadinstitute/pyro-cov
cd pyro-cov

Install this python package:

pip install -e .

Get access to GISAID data

Work with GISAID to get a data agreement. Define the following environment variables:

GISAID_USERNAME
GISAID_PASSWORD
GISAID_FEED

For example my username is fritz and my gisaid feed is broad2.

Download data

This downloads data from GISAID and clones repos for other data sources.

make update

Preprocess data

This takes under an hour. Results are cached in the results/ directory, so re-running on newly pulled data should be able to re-use alignment and PANGOlineage classification work.

make preprocess

Analyze data

make analyze

Generate plots and tables

Plots and tables are generated by running various notebooks:

Citing

If you use this software or predictions in the paper directory please consider citing:

@article {Obermeyer2021.09.07.21263228,
  author = {Obermeyer, Fritz and
            Schaffner, Stephen F. and
            Jankowiak, Martin and
            Barkas, Nikolaos and
            Pyle, Jesse D. and
            Park, Daniel J. and
            MacInnis, Bronwyn L. and
            Luban, Jeremy and
            Sabeti, Pardis C. and
            Lemieux, Jacob E.},
  title = {Analysis of 2.1 million SARS-CoV-2 genomes identifies mutations associated with transmissibility},
  elocation-id = {2021.09.07.21263228},
  year = {2021},
  doi = {10.1101/2021.09.07.21263228},
  publisher = {Cold Spring Harbor Laboratory Press},
  URL = {https://www.medrxiv.org/content/early/2021/09/13/2021.09.07.21263228},
  eprint = {https://www.medrxiv.org/content/early/2021/09/13/2021.09.07.21263228.full.pdf},
  journal = {medRxiv}
}