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.
Quantitative IFN-γ response of patients with active TB (B), subjects with LTBI (A), and healthy controls (C). Horizontal lines in red indicate median production and dotted lines indicate cut-off (Log10 0.35=−0.456). *, P<0.05. IFN, interferon; IU, international unit; LTBI, latent tuberculosis infection; HC, healthy control; QFT-GIT, QuantiFERON-TB Gold In-Tube.
