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.
Networks were constructed using the software Network 4.6.1.3. The size of the circles is proportional to the number of isolates. Color of the circles indicates serotype B (blue) and serotype C (red). Dual-coloration represents shared alleles between serotypes. Alleles for each locus are indicated numerically.
