Coronavirus "reactivated" In 91 Patients In South Korea. WHO Launches Investigation

2023 Author: Abraham Higgins | [email protected]. Last modified: 2023-11-27 23:16

Coronavirus "reactivated" in 91 patients in South Korea. WHO launches investigation

The South Korean patients were about to be discharged: their symptoms of COVID-19 disappeared, PCR tests were negative. But repeated tests revealed the coronavirus again.

Photo: lismith28 /

The World Health Organization has launched an investigation into reports of South Korean patients who tested positive for coronavirus by PCR tests after they were declared recovered.

"We are monitoring reports of patients who had negative PCR tests for COVID-19, but over time became positive again," the WHO quoted Reuters as saying.

On Friday, April 10, South Korea reported 91 patients previously thought to be free of the new coronavirus, but eventually tested positive for COVID again. The Korean Centers for Disease Control and Prevention believe that this is not about re-infection, but rather about "reactivation" of the infection.

Now, according to WHO recommendations, patients who have experienced clinical recovery (symptoms of the disease have gone) must pass a PCR test for the new coronavirus twice with an interval of at least 24 hours. If both tests are negative, the person is considered recovered.

The patients referred to in the report from South Korea had two negative tests for the new coronavirus and were about to be discharged. But an additional test revealed the virus again. An epidemiological investigation into this matter should begin in the country.

“We are working closely with our clinical experts to get more information about these cases. It is important to make sure that all procedures were performed correctly during the collection of material for analysis,”the WHO said in a statement.

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