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No evidence proves antibodies can protect from second wave: WHO
![No evidence proves antibodies can protect from second wave: WHO No evidence proves antibodies can protect from second wave: WHO](https://medicaldialogues.in/h-upload/2020/03/25/750x450_125888-world-health-organisation.webp)
Geneva: There is currently no evidence that people who have recovered from COVID-19 and have antibodies are protected from a second infection, the World Health Organization (WHO) said in a daily situation report.
Although many studies show that people who recovered from COVID-19 have antibodies to the novel coronavirus, also known as SARS-CoV-2, the WHO noted on Saturday, some of these people have very low levels of neutralizing antibodies in their blood, reported Xinhua news agency.
"As of 24 April 2020, no study has evaluated whether the presence of antibodies to SARS-CoV-2 confers immunity to subsequent infection by this virus in humans," stressed the UN health agency.
Some countries have suggested that the detection of antibodies to the novel coronavirus could serve as the basis for an "immunity passport" or "risk-free certificate", which would enable individuals to travel or return to work, assuming that they are protected against re-infection.
However, there is still a lack of sufficient evidence for the effectiveness of antibody-mediated immunity to guarantee the accuracy of an "immunity passport" or "risk-free certificate, the WHO underlined, warning that "the use of such certificates may therefore increase the risks of continued transmission."
According to the UN agency, laboratory tests that detect antibodies to SARS-CoV-2 in people, including rapid immunodiagnostic tests, need further validation to determine their accuracy and reliability.
Medical Dialogues Bureau consists of a team of passionate medical/scientific writers, led by doctors and healthcare researchers. Our team efforts to bring you updated and timely news about the important happenings of the medical and healthcare sector. Our editorial team can be reached at editorial@medicaldialogues.in.
Dr Kamal Kant Kohli-MBBS, DTCD- a chest specialist with more than 30 years of practice and a flair for writing clinical articles, Dr Kamal Kant Kohli joined Medical Dialogues as a Chief Editor of Medical News. Besides writing articles, as an editor, he proofreads and verifies all the medical content published on Medical Dialogues including those coming from journals, studies,medical conferences,guidelines etc. Email: editorial@medicaldialogues.in. Contact no. 011-43720751