OMS ivuga ko gukoresha abagenzuzi mu baturage, aho abajyanama b'ubuzima n'abandi bakozi bo mu rwego rw'ubuvuzi batangaza abishwe na Covid-19, bishobora kuba ari byo byatumye habaho ikigero cy'impfu kiri hejuru, nk'urugero muri Tchad.
