Looks like they were on the ball and started developing their tests way back in January, when the virus's gene was first sequenced. I haven't been able to find

Looks like they were on the ball and started developing their tests way back in January, when the virus's gene was first sequenced. I haven't been able to find a detailed timeline of their test production, though: https://www.aljazeera.com/news/2020/03/south-korea-coronavirus-lessons-quick-easy-tests-monitoring-200319011438619.html https://www.aljazeera.com/news/2020/03/south-korea-coronavir...