Nin ɲɛ in bɛ kolotugudaw ni kolotugudaw opereli jateminɛw lajɛ minnu ka ca ni 40 ye ka bɔ yɔrɔ fangamaw la i n’a fɔ diɲɛ kɛnɛyatɔn, Duniya Kelenyatɔnba, OCDE, Ameriki CDC, Ameriki kolotugudaw operelikɛlaw ka tɔnba, ani diɲɛ banaw doni ɲinini minnu lajɛra ɲɔgɔn fɛ. Jagokɛlaw ka kolotugudaw suguya hakɛ jateminɛw bɛ don a kɔnɔ u danma, wa a jɛlen don ko u bɛ tali kɛ ɲininikɛlaw ka tɔnw na minnu y’u dilan.