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Young people have little or no symptoms, even if they are infected with Corona 19. However, studies have shown that when you do not have such symptoms, you can carry more viruses to others.

This will be reported in detail by Cho Dong-chan, a medical journalist.

<Reporter> Of the

120 Itaewon group infection, 97 were in their 20s and 30s.

As a young person, most of the symptoms are light and asymptomatic is 36%.

However, more viruses can be released in the absence of symptoms.

A team of researchers from China, Hong Kong, and the World Health Organization measured the amount of virus released from the saliva of 94 corona19 patients, and the virus began to be released 2.3 days before the symptoms began, gradually increasing, and peaked 0.7 days before the symptoms started. It turns out.

After the symptoms began, it decreased.

Infectiousness means that it is highest just before symptoms appear, that is, without symptoms.

Although it is highly contagious, without symptoms, it is difficult to find it by current quarantine methods, and if you overlap the vigorous social activities of young people, it can lead to group infection without sound.

It was analyzed that the spread of the virus out of Wuhan, China, which was the first epidemic area in Corona19, was a younger group of people who had no symptoms or were mild.

It is necessary to conduct extensive inspections in advance to block the silent transmission between young people.

[Park Won-soon / mayor: dense the 2030 three collective facilities, is also scheduled to conduct the test preemptively for like another that there is a danger facilities, community no choice but to make a big spread when infected Effects

Asymptomatic propagation of the young is It is estimated to account for about 44% to 62% of all infections.

Corona19 In order to minimize the damage to human life, young people should be careful not to spread the virus to their parents and grandparents.

(Video coverage: Kang Dong-cheol, video editing: Lee Seung-yeol)