Nearly half of recent COVID-19 cases in Seoul breakthrough infections: city gov't
https://www.koreatimes.co.kr/www/nation/2021/11/119_318072.html
"Of the 646 new cases confirmed in Seoul on Sunday, 49.4 percent, or 319 cases, were breakthrough cases," Park Yoo-mi, a disease control official at the Seoul metropolitan government, said in a briefing.