Table II.
Prevalence of second-line anti-tuberculosis drug resistance among M. tuberculosis isolates from previously treated cases of pulmonary tuberculosis
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.