An official website of the United States government
Here's how you know
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.
Examples of the Mtub02 locus PCR results. Lanes 1 and 8, 100-bp DNA ladder; lane 2, laboratory reference strain H37Rv; lanes 3, 4, and 5, non-Beijing family isolates; lane 6, Beijing family isolate; lane 7, negative control (double-distilled water).