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Whole-lung scans of representative samples stained with hematoxylin and eosin. (A) Saline control; (B) YVEC control; (C) 1-YU GI-19007; (D) animals vaccinated with BCG prior to challenge; (E) BCG-vaccinated animals given GI-19007 therapeutically. Scans shown are from animals infected 70 days earlier with 10 to 20 M. tuberculosis Beijing strain 212 bacteria.
