Seoul, Dec 4 : South Korea's new Covid-19 cases stayed below 50,000 on Sunday amid lingering concerns over a surge in winter. The country reported 46,564 new Covid-19 infections, including 69 from overseas, bringing the total caseload to 27,308,090, the Korea Disease Control and Prevention Agency (KDCA) said. Sunday's number decreased slightly from the previous week's 47,010, possibly reflecting a pause in the spread, Yonhap news agency reported. South Korea added 60 deaths from Covid-19, putting the death toll at 30,729, the KDCA added. The number of critically-ill patients stood at 460, up from 442 tallied on Saturday. Health authorities have called for vigilance against the virus, encouraging the public to get upgraded booster shots, citing the emergence of new variants and increased indoor activities in the winter. /IANS