Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Pairwise genetic distance among serial SARS-CoV-2 respiratory samples during the course of infection. The L1 norm genetic distances are shown by a colour gradient and size difference. Sputum specimens (patient 1) and nasopharyngeal swabs (patient 2) for each time point were analysed.
