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(Photo = Reporter Lee Han-hyung / Photo material)
As the number of confirmed corona 19 cases in Korea decreased, the basic infectious reproductive index, which shows how many people infect per confirmed person, fell below 1, but quarantine authorities still demanded that social distancing is necessary because the unclear infection route rate remains high.
Joon-wook Kwon, deputy director of the Central Defense Countermeasures Headquarters, said on the 10th: “The reproduction rate of the last week has been shown to be less than 1 in both the nation and the metropolitan area.” Said.
The government plans to decide whether to extend the 2.5 steps of distancing applied to the metropolitan area this weekend, taking into account the size of confirmed cases, the reproductive rate and the unclear infection route rate.
If the reproductive index is less than 1, it means that a confirmed person will infect less than one, so it is possible to predict that the scale of the outbreak will gradually decrease.
However, the proportion of confirmed patients whose route of infection is unknown during the last two weeks is high, 22.9%.
Deputy Director General Kwon said: “It is true that the absolute scale and proportion of the unclear infection route rate has gradually decreased as people actively practiced social distancing,” he said. “The amplification group leaves a lot of connection with the local community. Due to the nature of Corona 19, up to 40% are identified as asymptomatic infections.”
(Photo = Reporter Hwang Jin-hwan / Photo material)
A confirmed person whose route of infection is unknown literally refers to a patient whose infection is unknown because the link to the existing infection group was not confirmed.
Corona 19 is asymptomatic and has a high infectious power even under mild conditions, so it is highly likely that additional transmission had already occurred when quarantine authorities discovered a patient with an unknown route of infection.
In addition, there is a possibility that another person confirmed who infected the patient could still cause further transmission outside the quarantine network, so sporadic group infections can occur at any time.
For this reason, the quarantine authorities ask for a deep social distancing, saying that meeting people in itself is an action that increases the risk of contagion. Deputy General Manager Kwon said: “I will make more requests for the practice of distancing by focusing so that the current downward trend or the form being suppressed can stabilize more quickly.”
“If we focus on refraining from going out and staying out for the remainder of the four days through the weekend, we currently believe it will show a more noticeable decline in at least a week or two.” “As promised to the people, the situation until the weekend is polite. We will keep an eye on it and consider it comprehensively until the Chuseok holiday and discuss whether to extend the distance. ”
