GENEVA, 15 Feb – RIA Novosti, Elizaveta Isakova. Data on how vaccines are affecting the spread of COVID-19 is still lacking for the introduction of travelers' passports, Michael Ryan, director of the WHO health emergencies program, said in a briefing on Monday.
“At the moment, immunity certificates are not recommended as necessary for international travel. This is because, firstly, vaccines are not available to everyone, which can only limit, not open up opportunities for travel. Secondly, we do not have enough data right now. to see if vaccination will help stop transmission of the virus, “he said.