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.
IFN-γ and IL-10 production in response to the 30-kDa Ag. PBMC from TB patients and PPD-positive HHC were stimulated with the 30-kDa Ag for 48 h. Supernatants of cells were assayed for IFN-γ and IL-10 by ELISA. Results are expressed as mean ± SE in picograms per milliliter.
