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The World Health Organization (WHO) has published a disconcerting warning that modifies how experts have previously thought ofCOVID-19 and immunity. In the middle of individual reportscontract the coronavirus a second time, Who published a brief scientific at the end of last week: "There is currently no evidence that people who found themselves from COVID-19 and that antibodies areprotected from a second infection. "

"Effective April 24, 2020, no studies evaluated if thePresence of antibodies at Sars-COV-2 confers the immunity to the subsequent infection of this virus in humans: "WHO report it in the United States. There are studies that show that people who found themselves from Covid-19 have antibodies To the virus, but some of these people have very low levels of neutralizing antibodies in their blood, which believes suggests "that cellular immunity can also be essential for recovery."

It's a big change in whatAnthony Fauci, MD, director of the National Institute of Allergy and Infectious Diseases, said at the end of MarchThe daily."I feel really confident that if this virus acts like all the viruses we know, once you are infected, get better, delete the virus, then you will have an immunity that will protect you against reinfection," said Fuci. "So, it's never 100%, but I would be ready to bet that people who recover are reallyReinfection protected. "

In their new report, which also warned that an "immune passport" already used by some countries is not a reliable method for ending the virus epidemic.

At this stage of the pandemic, there is not enough evidence on the effectiveness of antibody mediation immunity to ensure the accuracy of an "immune passport" or "certificate without risk". People who suppose they are safe from a second infection because they have received a positive test result can ignore public health advice. The use of such certificates can increase the risk of continuous transmission.

The Chinese government, for example, has reopened parts of the country by emphasizing that all citizens download an application on their smartphone managed by national resources and indicate the overall health of a person in relation to the coronavirus. If we have a clean health bill, the citizen isgranted a CVIV-19 passport which allows more freedom than those who have not been erased.

There have been discussions on a national program of tracing or database similar in the United States. And although it can contribute to safety, he also raised questions about privacy and personal concerns about "Big Brother" government surveillance.

Anyway, it seems thatFollowed if we had the coronavirus Can be a platter, because we still do not know if people can really be immunized against Covid-19. And for more answers to your COVID-19 engraving questions, check13 Current Questions of Coronavirus - Answered by Experts.