Table 1.

Relationship between the level of integration and different service delivery models

Level of integration	Study delivery models	WHO descriptions
Linkage	Referral	Entry via TB service and referral for HIV testing and care.
		Entry via HIV service and referral for screening, diagnosis and treatment of TB.
Collaboration	Partially integrated	Entry via TB service and referral for HIV care after HIV testing.
		Entry via HIV service and referral after TB screening.
Full Integration	One-stop shop	TB and HIV services provided at a single facility.