There is a special focus on reaching vulnerable or hard-to-reach population groups.

特别重点为普及到弱势或难以接触到的人群组。

Large differences in PARs were observed, particularly for population groups and cities.

我们观察到人群归因风险存在着重大差别，尤其是人群和城市的人群归因风险。

Chemoprophylaxis of close contacts and vaccination of high-risk population groups is ongoing.

密切接触者的化学预防和高危人群组的预防接种正在进行。

It then examined how these risk factors reduced life expectancy in eight population groups.

然后该研究检测了这些危险因素在这八组人群中是如何缩短预期寿命的。

Health inequities are systematic differences in the health status of different population groups.

卫生不公平是不同群体在健康状况方面的系统化差异。