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.
Tree of spoligotype patterns of clustered M. tuberculosis isolates (n = 1,300 isolates in 182 clusters, containing 2 to 130 isolates per cluster), created by using PAUP 4.0b software and the unweighted pair group method using arithmetic averages (UPGMA). Unique patterns are not represented (SIT a, SIT as defined in the SITVIT2 international database. The column below “SIT” shows the individual SIT numbers followed by the percentage of each pattern in this study).
