For example, in 2014, during early stages of an Ebola outbreak in Liberia, the recommended infection prevention and control strategies for healthcare facilities weren't made clear at the national level.
例如,2014 年,在利比里亚埃博拉疫情爆发的早期阶段,国家层面没有明确为医疗机构推荐的感染预防和控制策。