That 1990s meningitis trial debacle in Kano, Nigeria, sowed so much distrust that it later made it very difficult to promote critical polio testing. Anti-polio vaccine rumors flourished.
Ìdánwò oògùn àrùn yírùnyírùn ìgbàa nnì ní Kano, orílẹ̀-èdèe Nàìjíríà, gbin ọ̀pọ̀lọpọ̀ àìnígbágbọ̀ tí kò mú kí ìpolongo ìdánwò oògùn àrùn rọmọlápárọmọlẹ́sẹ̀ ó rinlẹ̀.