23-09-2022, 05:13 PM
More than 97% of Koreans have been found to have COVID-19 antibodies through infection or vaccination. One in five was a 'hidden infected person' who was not caught in the number of confirmed cases even after contracting COVID-19.
https://daily.hankooki.com/news/articleV...xno=874682
https://daily.hankooki.com/news/articleV...xno=874682