The independent experts, in a statement issued on Monday (April 19) after meeting last Thursday (April 15), cited limited evidence on whether vaccination against COVID-19 reduces people's ability to transmit the virus and "the persistent inequity in global vaccine distribution."
"The vaccines, on one hand, are not available everywhere and secondly, we still don't know if being vaccinated implies that a person will not be infected and, therefore, presents risks to others," WHO spokesman Tarik Jasarevic said.
States should recognise that requiring proof of vaccination deepens inequities and promotes unequal freedom of movement, the panel said.
Jasarevic said that, however, every person who gets vaccinated should have a certification of immunization.
He added that WHO and its partners were looking at a potential electronic format for inoculation proofs.