... negative, the test and symptom screen should be repeated 8–1 0 weeks after the end of exposure; 3) if the symptom screen, the rst test result, or the 8–1 0-week follow-up test result is positive, the ... considergroupingAIIroomsinonepart of the health-caresetting to limit costs, reduce the possibility of transmitting M. tuberculosis to other patients, facilitate the care of TB patients, and facilitate the installation ... in both the unloaded and loaded states with a l-ter eciency of ≥95% (i.e., lter penetration of <5%) at the maximum design ow rates of the ventilator for the service life of the lter,...