On Friday South Korea reported that 91 patients recovered from Coronavirus has tested positive again .

Director of the Korea centres for disease control and Prevention said that the Coronavirus may have been reactivated rather than the chance of patients being reinfected .

With epidemiological investigation under way, health official said it remains unclear what is behind the trend.

The south Korean Coronavirus infected patients figure had risen from 51 on last Monday. Nearly 7000 South Koreans have been recovered from Coronavirus .

Kim woo joo professor of infectious disease at Korea University Guto Hospital said the number would increase 91 was just the beginning .

The KCDC's jeong raised the question that rather than the person being reinfected there's a chance of Coronavirus may be reactivated .

False test results could also be fault , other experts said, or remnants of the Coronavirus could still be in patients system but not be of danger or be infectious to others or the host .

On Friday South Korea reported 27 new cases, taking the total to 10,456 .

Jung-ki-Suck professor of pulmonary medicine at Hallym university sacred hospital said there were different interpretations and many variables . The government need to come up with responses for each of the variables .

On Friday South Korea reported 27 new Coronavirus positive cases , it's lowest after daily cases peaked at more than 900 in late February adding the total to stood at 10,456 , according to KCDC.

The first large Coronavirus outbreak outside of China that is on the City of Daegu reported zero new cases first time since the Coronavirus outbreak happen since February.