Fig 4. Distribution of CBS systems by scopes of interest (n = 79 systems).

^a includes influenza like illness and avian influenza; ^b includes cholera, acute gastrointestinal illnesses; ^c includes Buruli ulcer (n = 1), cutaneous leishmaniasis (n = 1), yaws (n = 1), smallpox (n = 1); ^d includes Ebola virus disease and dengue; ^e includes pregnancy complications (n = 2), low birth weight (n = 1), suicidal and self-injurious behaviour (n = 1); ^f includes maternal, neonatal, infant, under-five deaths.