Nature, Published online: 15 January 2021; doi:10.1038/d41586-021-00065-4

Efforts to track SARS-CoV-2 sequences have helped identify worrying variants — but researchers are blind to emerging mutations in some regions.

Nature, Published online: 15 January 2021; doi:10.1038/d41586-020-00502-w

Nature wades through the literature on the new coronavirus — and summarizes key papers as they appear.