Hi, Christophe! You not need a PCR exam to transit as a result of or remain in Korea, even for a few days. But unfortunately, I might say two.5 hours is not more than enough time if You furthermore mght ought to recoup your bag-- it COULD be sufficient time https://kameron49tn9.look4blog.com/67751639/helping-the-others-realize-the-advantages-of-airport