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.
Minimum spanning tree analysis of invasive group B Streptococcus isolates showing the relationship between ST and CCs by region in China. Circles represent STs; size of each circle indicates the number of isolates within the specific type. The ST with the greatest number of single-locus variants is the founder ST. Regions appear as different colors; shading denotes STs belonging to the same CC. CC, clonal complex; ST, sequence type.
