许多国家没有可靠的检验系统，原因是工作人员短缺、基本实验室服务缺失、检验工具包质量低劣，或者其供应不够稳定。
Many countries do not have reliable testing systems because of staff shortages, lack of basic laboratory services, poor quality test kits or their irregular supply.
英国援助机构乐施会将工作人员从南苏丹动荡的边境地区撤出，该地区形势愈发不稳定。
The British aid agency Oxfam is withdrawing its staff from a volatile border region of South Sudan in response to increasing instability.
目的：分析社区卫生服务工作人员的基本特征和工作人员的变动情况，评价社区卫生服务人员素质和稳定性。
Objective to analyze basic features of community health workers and their alteration situation, and to evaluate qualities and stability of community health workers.
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