#1	tuberculosis [MesH]
#2	tuberculosis or TB Title/Abstract
#3	Mycobacterium tuberculosis [MesH]
#4	#1 or #2 or #3
#5	"Contact Tracing"[Mesh]
#6	“contact tracing” Title/Abstract
#7	“contact screening” or “contact management” Title/Abstract
#8	“contact investigation*” Title/Abstract
#9	“transmission dynamics” Title/Abstract
#10	Referral Title/Abstract
#11	“stone in pond” Title/Abstract
#12	“household screening” Title/Abstract
#13	“social network*” Title/Abstract
#14	#5 or #6 or #7 or #8 or #9 or #10 or #11 or #12 or #13
#15	#4 and #14a