South Korea has administered COVID-19 vaccines to a quarter of its population as of Tuesday afternoon, Yonhap News Agency reported citing health authorities.

A total of 13 million people, or about 25.3 percent of the country's 51.35 million population, received their first vaccine dose as of 2:30 p.m. local time.

In the latest tally, South Korea reported 374 new cases of COVID-19 over the past 24 hours, raising the total number of infections to 148,647.

The daily caseload marked the lowest in almost three months, staying below 400 for two days.