SEOUL: When the world was setting eyes expecting simulation from its measures adopted to curb coronaviurs, South Korea saw the virus reappearing in 51 formerly recovered patients. This has made the battle against coronavirus much tough now.

According to the health officials there, all people with recurring virus are kept in Daegu based quarantine.

Daegu is one of the badly struck cities of South Korea. They were discharged after recovery and again in few days they bore coronavirus symptoms.

Health scientists of Korea have found that coronavirus has the ability of hiding secretly unnoticed in cell sometimes. According to the Disease Control and Prevention Center, Korea those viruses that were in their body prior to coronavirus transmission became reactive after the corona virus came into control.