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Researchers from the South Korean Center for Disease Control and Prevention (LCPC) say that it is impossible for COVID-19 to regenerate in humans.
In South Korea, 10,000 confirmed cases of coronavirus were reported, of which 245 died. This is 2.3 percent. mortality, i. and. less than 3.4 percent published by the World Health Organization (WHO). average
It was estimated that 277 patients in South Korea became ill for the second time and that such cases occurred in China and Japan. Concerns have been raised that the coronavirus is mutating so rapidly that people will not have immunity to re-infect themselves with the virus.
But genetic analysis of the virus did not reveal any significant changes that prevent the immune system from recognizing the virus.
Partly because of these reports, the WHO warned national governments about the questionable reliability of so-called immunity passports, which allow people to return to work because they have antibodies against the virus.
Immunity passports have been proposed to allow states to easily lift quarantine restrictions and resume economic activity.
Economic passports will be issued to people who have a history of COVID-19 infection and who already have antibodies against the virus, indicating that they already have immunity to the virus.
The WHO again issued recommendations warning that “there is no evidence that people who recover from COVID-19 and have antibodies are protected from a second infection.”
But it was not expected that the polymer chain reaction test to detect the absence of antigens in the blood, the viral particles themselves, could be inaccurate.
As determined by the LCPC of South Korea, the test results for the allegedly relapsed patients were inaccurate. The researchers cautioned that the test was unable to distinguish between live traces of the virus and dead non-hazardous particles that remain after patients recovered.
The WHO also warned that the accuracy and reliability of immunity certificates issued on the basis of rapidly developed tests would be verified only after use.
“People who think they have immunity to a second infection because their tests were positive may ignore health [priežiūros institucijų] recommendations, WHO warned. “Therefore, the use of such certificates may increase the risk of further spread of the virus.” It should be noted that these WHO recommendations are still under review and revision.
LKPC of South Korea said that other viruses, such as HIV or the chickenpox virus, enter the nucleus of the human cell and remain dormant for many years, only to reappear later, and the coronavirus remains outside the nucleus of the cell. Guest.
“It means that it also does not cause chronic disease [infekcijos] repeated, “explained Dr. Oh Myoung Don, chair of the LCPC committee. Therefore, a person is unlikely to develop a second coronavirus infection.
There is a possibility that in the future, a coronavirus, such as the flu, may mutate and infect people who have had it in the past.
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