No instances created on September 25. Twenty-three cases were reported, most white, out of seven distinct organizations. On September 27, two instances (colored) were reported by your 810th Pioneer Infantry, and also a single from Recruit Camp No. 1. Five cases had been reported, one by the remount depot, being out of a new company up to the time the instances were sporadic, growing widely separated organizations, and also there had been little evidence of direct contagion from the control originating the outbreak. On September 24, two instances (white) were reported by the quarantine camp. We now have two locations across the south side and the north of Chicago. Seventeen cases of empyema have evolved so far as a complication.