North Korea said that it had confirmed the route of entry of the corona virus, and argued that North Korea flyers were the first cause.

About mid-April, the Korean Central News Agency said, "Fever symptoms began to appear among several personnel coming up to the capital from Ipo-ri, Geumgang-gun, Gangwon-do. For the first time, there have been collective outbreaks of zealots.”

The Central News Agency continued, "In early April in Ipo-ri, it was discovered that 18-year-old Kim, a soldier, and 5-year-old mother, a kindergartener, came into contact with unusual objects in the barracks and in the hills near the residence. claimed to have been adjudicated.

Regarding unusual objects, the Korean Central News Agency (KCNA) stated that it was necessary to be alert to unusual objects flying from balloons in the border area and notify them immediately when they were found, arguing that flyers flying to North Korea were the cause of Corona.