Table 1. Indicators, tests, thresholds and interventions recommended by the World Health Organization[6], [12].

Disease	Indicators	Test	Threshold for Intervention	Public Health Intervention
Trachoma
	Trachomatous Follicular (TF)	Clinical Examination	Prevalence of ≥10% in children aged 1–9 years	MDA in total population
			Prevalence of 5–9% in children aged 1–9 years	Targeted treatment at the sub-district level
	Trichiasis (TT)	Clinical Examination	Prevalence of ≥1% in adults aged ≥15 years	Surgery program
Schistosomiasis
S. haematobium (S.h)	Hematuria	Urine dipsticks/filtration	Prevalence of S.h and S.m between 10–50% in children aged 5–14 years	MDA in school-age children every two years
S. mansoni (S.m.)	Eggs in stool	Kato-Katz	Prevalence of S.h and S.m ≥50% in children aged 5–14 years	MDA in school-age children and high risk population
Soil-transmitted Helminthes
	Eggs in stool	Kato-Katz	Prevalence between 20–50% in children aged 5–14 years	MDA in school-age children
			Prevalence of ≥50% in children aged 5–14 years	MDA twice a year in school-age children
Lymphatic filariasis
	Antigen	ICT test	Prevalence of ≥1% in adults ≥15 years	MDA in total population