Around the world in a month

    Credit: Map: © iStockphoto; Flags: pop_jop / DigitalVision Vectors / Getty

    Rights and permissions

    Reprints and Permissions

    About this article

    Verify currency and authenticity via CrossMark

    Cite this article

    Around the world in a month. Nat Biotechnol 38, 257 (2020). https://doi.org/10.1038/s41587-020-0451-1

    Download citation

    Search

    Sign up for the Nature Briefing newsletter for a daily update on COVID-19 science.
    Get the most important science stories of the day, free in your inbox. Sign up for Nature Briefing