WHO probes patients who tested positive after negative result in South Korea

The WHO says 91 patients cleared of the new coronavirus tested positive again yesterday in South Korea.

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JOHANNESBURG - The World Health Organisation (WHO) says it's looking into reports of some coronavirus (COVID-19) patients testing positive again after initially testing negative for the disease while being released from health facilities.

The WHO says 91 patients cleared of the new coronavirus tested positive again yesterday in South Korea.

The disease control and prevention centre in the East Asian country says the virus may have been "re-activated" rather than the patients being re-infected.

The who says its consulting with clinical experts to get more information on the individual cases.

According to the who's guidelines - a patient can be discharged from hospital - after two consecutive negative results taken at least 24 hours apart if they have clinically recovered.