S. Korea develops new PCR test that can detect Omicron in 3-4 hours stocking 0 43 2021.12.24 18:05 https://youtu.be/3SzDS0w7k74 + 8 '3~4시간만에 판별' 오미크론 PCR 국내 개발…30일부터 사용 South Korea has developed the world's first PCR test that can ...