Coronavirus patients relapsing after overcoming the illness have been truly as a result of testing failures.

Researchers say it’s impossible for the COVID-19 virus to reactivate in human bodies.

In future, it could mutates and infect individuals who overcome it, equally to the flu.

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Numerous reported cases of coronavirus patients relapsing after overcoming the illness. Have been truly as a result of testing failures, South Korean scientists say.

Researchers at the South Korean centre for disease control and prevention (CDC). Now say it’s not possible for the COVID-19 virus to reactivate in human bodies.

There have been greater than 10,000 confirmed coronavirus cases in South Korea, with 245 deaths – a 2.3% fatality rate. Which is lower than the 3.4% average as said by the World Health Organisation.

A total of 277 patients within the nation believed to have fallen sick for a second time, as had patients in China and Japan.

This prompted concerns that the virus could possibly be mutating so rapidly. Individuals weren’t necessarily immune to catching it once more.

Nonetheless, genetic analyses of the virus haven’t discovered any substantial modifications which might successfully disguise it from the immune system.

Partially as a result of these reports. The World Health Organisation warned governments towards utilizing so-called “immunity passports”. To permit individuals to return to work just because they’ve antibodies for the virus.

Immunity passports are a proposed manner of permitting countries to start to lift their coronavirus lockdowns. In a targeted manner and resume financial activity.

They issue to individuals who have already overcome a COVID-19 infection and test positive for antibodies to the virus. Based mostly on the idea they’re therefore immune.

In an update to its guidance, the WHO warned “no proof that individuals who recovered from COVID-19 and have antibodies are protected against a second infection”.

Nevertheless, it was not anticipated that the polymerase chain response (PCR) test. Used to examine the blood for antigens – actual particles of the virus itself – might even have issues.

South Korea’s CDC has discovered that the test results for the suspected relapsed patients were false positives. Also, the test was not in a position to distinguish between live traces of the virus and the harmless lifeless samples which remain after patients recovered.

The WHO, warned that immunity certification depended upon the quickly developed tests being checked for accuracy and reliability before getting used.

“Individuals who assume that they’re immune to a second infection as a result of they’ve acquired a constructive test result could ignore public health advice,” the WHO warned.

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“Using such certificates therefore enhance the risks of continued transmission.” Its guidance at the time, though this guidance is at the moment being saved below assessment.

The CDC added that in contrast to different viruses, resembling HIV and chickenpox – which might break into the nucleus of human cells and stay latent for years before reactivating – the coronavirus stays outside of the host cell’s nucleus.

“This implies it doesn’t trigger continual infection or recurrence,” explained Dr Oh Myoung-don, the head of the CDC committee. Which means it’s unlikely for patients to relapse in this fashion.

Sooner or later it could be possible that the coronavirus mutates and infect individuals who have beforehand overcome it, equally to the flu.