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Nearly 90 patients in Cheonan and Asan, Chungnam, were found to be involved in Zumba dance. Last month, instructors from all over the country gathered in Cheonan, Chungcheongnam-do, and authorities say the virus has spread since then.

I am Lee Yong Sik.

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A dance studio in downtown Cheonan was closed with the door closed.

On the 15th of last month, the workshop was held at 12 studios in Seoul and Daegu.

It is three Cheonan, two Asan, one Sejong.

Sejong Zumba Dance Instructor was positively confirmed late at night after taking samples at the screening clinic here yesterday (5th).

Confirmed results from epidemiological investigations included Zumba instructors, who are believed to be the link between Cheonan and Asan.

But how the instructor got infected has been in the labyrinth.

The health authorities are paying attention to the three Daegu instructors who attended the workshop.

[Kwon, Geun-Yong / Sejong Health Center: We grasped the situation that 29 people were in close contact for 2 to 3 hours… ]

The health authorities are conducting an epidemiological survey on the participants of the workshop, and the results of the 11 tests, including the cod instructor, have not yet come out.

Asan's Zumba instructor, confirmed yesterday, works for a US military unit, but was found to have not been to the unit since the workshop.

Sejong Zumba, a confirmed instructor, showed suspicious symptoms on the 20th of last month, and it was confirmed that he taught about 50 students before and after the symptoms.

(Video coverage: Kang Yun-gu, Kim Yong-tae TJB, Video editing: Kim Jong-woo)