Polio eradication efforts in regions of geopolitical strife: the Boko Haram threat to efforts in sub-Saharan AfricaArticle Published on 2016-06-302024-09-09 Journal: Afr Health Sci [Category] 폴리오, [키워드] Boko Haram Cameroon immunization Nigeria polio polio virus terrorism vaccination wild polio virus. PMC 바로가기