This is the 9778th most frequent Korean word.
고위험층을
"High-risk group."
The term '고위험층을' refers to 'high-risk groups,' used to denote those being targeted or served in the context of vaccinations, usually implying the recipients of the action.
고위험층을 대상으로 예방 접종이 실시되고 있습니다.
Vaccinations are being carried out for high-risk groups.
Here, '고위험층을' denotes the population for whom the special measures are necessary, emphasizing them as the object needing management.
고위험층을 관리하기 위한 특별한 조치가 필요합니다.
Special measures are needed to manage high-risk groups.
In this sentence, '고위험층을' represents the group targeted by protection policies, showing the object of the governmental actions.