[News Focus] Some scientists now fear that this Covid-19 virus shows no signs of disappearing, reinfecting people twice or even three times.

코로나 바이러스가 아무 예고없이 나타나고 두번 혹은 세번까지도 재감염된다고 한다. 코로나의 재감염에 대해 알아보자.

Guest: Professor 유병욱 from 순천향 University Hospital's International Clinic

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