求翻译：但在实际的管理工作中，公共卫生工作面临许多难题，例如：新医改面临的问题；人群健康转型与医学模式改变;在国际旅游岛建设中提高急性传染病控制工作，提高公共卫生服务能力等等。是什么意思？

But in practice in the management of public health work is facing many challenges, such as: problems facing new healthcare reform; transformation of population health and medical model change; in international tourism in island construction to improve acute communicable disease control, improve the ability of the public health service and so on.