This is the 15176th most frequent Korean word.
방역당국이
"방역당국이" translates to "the quarantine authorities" or "the health authorities" in English.
In this sentence, '방역당국이' serves as the subject performing the action of announcing regulations.
방역당국이 코로나19 확산을 막기 위해 새로운 규정을 발표했습니다.
The quarantine authorities announced new regulations to prevent the spread of COVID-19.
Here, '방역당국이' appears as one of the entities participating in the collaboration.
정부와 방역당국이 협력하여 백신 접종 속도를 높였습니다.
The government and quarantine authorities collaborated to increase the pace of vaccinations.
In this case, '방역당국이' is the source of the guidelines to be followed.