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.
Multiple datasets were generated based on different regions of the N gene and representation of each country varies amongst datasets. Squares show GPS coordinates of samples in datasets 4 & 5 used in the analysis of isolates from both sides of the South China border. China sequences only show the province in which the sample was isolated. Full details of each dataset are supplied in Table S1 and 2.
