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company that had been selling health products mainly for seniors in Seoul held a large-scale seminar some time ago, and the 70s who attended were confirmed. After that, over 10 people were confirmed, including the company employees and salespeople. I'm more worried because most of the people at the seminar were older.

First is Yoo Su-hwan.

<Reporter> In

an 8-story building in Gwanak-gu, Seoul, there are 20 round desks with 4 chairs in the seminar room with the top door locked.

This is a company called'Richway', which has visited and sold health care products to seniors.

[Building manager: Normally, about 15 to 20 people come. I had a table, so I sat around and talked.] On

the 1st, a 72-year-old man, a salesperson from a company, suddenly passed out in the office, and the next day, Corona 19 was confirmed.Since today (4th), 4 employees, 8 salespeople, and 1 family member of the salesperson have been confirmed.

Most of them were older than 60.

The first confirmed participants attended a sales seminar of over 30 companies on the 23rd and 30th of last month.

[Students at the same building academy: I know that my grandmother and grandfather are coming. (Mask) Some writers,

others do not.] It was known that there was an activity to sing during the seminar.

Just looking at the distance between the desk and the chair, I wonder if the distance was kept well.There was also a recreational activity in a seminar video from another company that sold Richway products.

The quarantine authorities conducted an investigation into 200 people who visited the company from the 22nd to the 1st of last month.

(Video coverage: Hwang In-seok, Video editing: Choi Hye-young)