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The Central Defense Countermeasures Headquarters (Bang Dae-bon) said on 24: “According to foreign studies, wearing a mask can reduce the risk of corona infection by 70-85%. Lee Sang-won, director of research and Bang Dae-bon’s epidemiological analysis, said: “You should wear a mask, but if you are exposed to many opportunities for infection, the effect of the mask will surely be limited.”
As an example of the limitation of wearing a mask, Director Lee mentioned a group infection that spread to Cheonan’s door-to-door sales company, Green Leaf, and to the door-to-door sales company Air GenQ, as an example of the limitation of wearing a mask. According to Bang Dae-bon, 25 out of 26 attendees were infected at the Cordyceps Hacho briefing in Daegu, and 5 out of 9 were infected because a person who had contact with the confirmed patient visited Greenleaf in Cheonan. Following this, a Greenleaf official visited AirgenQ, a door-to-door sales company, and seven more people were infected. Director Lee said: “The remarkable infectious power of the crown shows how persistently the epidemic is caused everywhere.” There were 56 patients. “
Director Lee explained, “The spread power of the coronavirus is not uniform” and said, “The spread power of the same patient may vary depending on the type of space and conditions.” “DIY sales are very vulnerable to corona infection. Confined spaces and dense places are very favorable conditions for viruses to exist in a higher density ”. . If you explain it out loud or act out loud to enjoy the entertainment, your chances of exposure to the virus will increase even more. “
Director Lee emphasized that the likelihood of corona infection increases as exposure time increases, repeatedly urging the elderly to refrain from visiting door-to-door vendors. “Epidemiological investigations and health personnel across the country are doing everything they can to find infected people, help with treatment and prevention, but I don’t think all cases can be found.” Prevention is the best measure. “
