BOSTON, MA — Sheikh Dahiru Usman Bauchi, ya roki iyaye da su kyale a yi ma 'ya'yansu rigakafin cutar polio, yana mai fadin cewa an ga amfanin irin wannan yunkurin a can baya, lokacin da aka samu nasarar kawar da cututtuka irinsu agana daga bangon duniya.
