On Saturday, the World Health Organisation said there is currently “no evidence” that individuals that have recovered from COVID-19 have antibodies to protect from getting reinfected by the virus.
The UN cautioned countries in a scientific brief against granting “immunity passports” or “risk-free certificates” to people who have been infected as their accuracy could not be guaranteed.
Granting immunity passports or risk-free certificates can potentially raise the risk of continued spread of the virus as people that have recovered may disregard advice to take normal precautions against the virus.
The WHO said in a statement:
“Some governments have suggested that the detection of antibodies to the SARS-CoV-2, the virus that causes COVID-19, could serve as the basis for an ‘immunity passport’ or ‘risk-free certificate’ that would enable individuals to travel or to return to work assuming that they are protected against re-infection,”
“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 said that a review into the antibody responses to the coronavirus pandemic will continue.