Occupational health
	l FB health care personnel – hard to interpret annual TST:  BCG?  LTBI acquired in country of origin? l FB TB patients more likely to be working than US-born TB patients – Implications for workplace contact investigations l Kim DY, Ridzon R, et al., 2002: DE poultry workers, work-related cluster ruled out using spoligotyping – Undocumented workers in particular industries