WHO warns that handing over immunity passport could increase the risks of COVID-19 transmission

The World Health Organization (WHO) warned that people who have had COVID-19 are not necessarily immune by the presence of antibodies to contract the virus again.

“Still no evidence that people who have had COVID-19 do not contract a second infection “, indicated the WHO in a new scientific report, in order to warn to governments that issue “Immunity passports”.

“At this point in the pandemic, there is insufficient evidence on the effectiveness of antibody-mediated immunity to guarantee the accuracy of a ‘passport of immunity’ or ‘risk-free certificate’ “said the organization.

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Likewise, the WHO reported that “people who assume they are immune to a second infection because they have received a positive test result could ignore public health advice. Thus, such certificates can increase the risks of continuous transmission ”.

The health agency assured that it is reviewing evidence on the Antibody responses to SARS-CoV-2, the virus that causes COVID-19 infection. The report says that “most” studies show that people who have “recovered from an infection have antibodies to the virus.”

Still, until yesterday, no studies have evaluated whether the presence of antibodies to SARS-CoV-2 confers immunity to subsequent infection by this virus in humans.


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