Table 1.

Characteristics of ACF implementors

Country	Year	Organisation category	Intervention type*	Intervention
Afghanistan	2017–2018	Non-governmental organisation	Community outreach	School girls were trained to screen women and girls in rural villages. Also, health workers (doctors, midwives, nurses) screened women and young girls attending clinics.
Ethiopia	2013–2015	Academic institution	Community outreach	Health extension workers conducted house-to-house screening among adults and contact tracing was also conducted. Isoniazid Preventative Therapy (IPT) was initiated for asymptomatic children.
India	2017–2019	Non-governmental organisation	Systematic screening, community outreach, contact tracing	Healthcare workers screened individuals for TB in outpatient departments, and pharmacies and conducted contact tracing at home among contacts of people with TB.
Kenya	2010–2012	Non-governmental organisation	Contact tracing, key populations	Recruited and trained community health workers to conduct door-to-door TB and HIV screening, and contact tracing among contacts of people with TB.
Nepal	2014–2016	Non-governmental organisation	Systematic screening, community outreach	Conducted chest camps for community based screening of children and people living in slums.
Nigeria	2013–2014	Non-governmental organisation	Key populations	Using health workers to screen children for TB at primary schools and contacts of people with TB, at anti-retroviral treatment clinics.
Pakistan	2018–2019	Academic institution	Key populations	Outreach workers recruited and trained by the project conducted house-to-house screening or work place screening among transgender populations.
Pakistan	2014–2016	Non-governmental organisation	Community outreach, contact tracing, key populations	Engaged community screeners to screen households and contacts of people with TB. They were also responsible for sputum collection, case detection and follow-up with people with TB.
Peru	2017–2018	Non-governmental organisation	Community outreach	Individuals who formerly had TB screened individuals for TB within their communities.
South Africa	2013–2014	Non-governmental organisation	Community outreach, key population	Engaged community health workers and health workers to conduct household screening for TB and contact tracing.

*Community outreach=conducting house to house screening within the community or mass screening events; contact tracing=screening contacts of people who had TB; systematic screening=screening a particular targeted population; key populations=those identified as vulnerable or targeted populations within the respective country/region.

ACF, active case finding interventions; TB, tuberculosis.