South Korea reported 2,050 new confirmed cases of Covid-19, raising the total number of coronavirus infections to 265,423 till Tuesday midnight.
The daily caseload was up from 1,597 in the prior day, hovering above 1,000 for 64 straight days, Xinhua news agency reported.
The daily average tally for the past week was 1,712.
The recent resurgence was attributable to cluster infections in the Seoul metropolitan area.
Of the new cases, 665 were Seoul residents. The number of the newly infected people residing in Gyeonggi province and the western port city of Incheon was 691 and 120 respectively.
The virus spread also raged in the non-metropolitan region. The number of new infections in the non-capital areas was 538, or 26.7 per cent of the total locally transmitted cases.
Thirty-six cases were imported from overseas, lifting the combined figure to 13,800.
Four more deaths were reported from the pandemic, bringing the death toll to 2,334 in the Asian country.
The total fatality rate stands currently at 0.88 per cent.
An additional 2,061 patients were discharged from quarantine after making full recovery, bringing the combined number of recoveries to 237,286.
The total recovery rate stands currently at 89.40 per cent.
Since mass vaccination was launched on February 26, the country has administered Covid-19 vaccines to a total of 31,323,194 people, or 61.0 per cent of its population.
The number of the fully vaccinated people has risen to 18,807,546, or 36.6 per cent of the South Korean population.