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.
TbF6-DPEP ELISA activity of different patient populations. Data are presented as the mean optical densities at 450 nm (OD450) ± the standard errors of the mean (error bars) for sera from patients as follows, from left to right: with pulmonary TB before treatment, after >9 months of treatment, or at relapse; with HIV-TB coinfections; with extrapulmonary TB; PPD-positive individuals without TB; PPD-negative individuals; and healthy donors in the United States.
