SEOUL — The number of COVID-19 patients in South Korea with unclear infection routes is rising, with the authorities failing to identify the source in more than a fifth of cases confirmed in the past two weeks, health authorities said Monday.
According to the Korea Centers for Disease Control and Prevention, the infection route in 22.7 percent of the 4,432 cases confirmed in the two-week period starting Aug. 18 remains unclear. The figure is the highest seen since the authorities began compiling related data in April, and poses a major risk to the country’s quarantine efforts, which rely heavily on contact tracing.
As of midnight Sunday, the number of COVID-19 cases in South …
Keep on reading: More COVID-19 patients in S. Korea have unclear infection routes