S. Korea reports 49 new COVID-19 cases on Fri., 17 imported cases

국내 코로나19 신규 확진 49명...해외유입 17명South Korea reported 49 new cases of COVID-19 today.Cluster infections in the central city of Daejeon, are causing concern among the health authorities,... who say their epidemiological investigation has not produced a clear route of infection.There were 17 imported cases.Of those, at least six Bangladeshi nationals and one South Korean national tested positive after taking the same flight from Bangladesh.Seoul has also extended its 'special travel advisory' for all citizens to July 19th, urging them to cancel or postpone all overseas travel, and to take extra precautions if they are already abroad.