A World Health Organization (WHO) official said that the organization is working to develop a COVID-19 vaccine “digital wallet” and is also seeking to “increase the distribution” of an international certificate for those who’ve been vaccinated. Dr. Michael Ryan, an Irish epidemiologist who is head of the WHO health emergencies program dealing with COVID-19, made the remarks during a daily news briefing on July 12 in Geneva. “We have encouraged countries that want to, they may use the international certificate for vaccination and prophylaxis … that requires other countries to recognize that certificate of vaccination,” Ryan said, adding that WHO is “working to increase the distribution of the paper versions of her international certificate of vaccination prophylaxis, and also developing a digital wallet that could be used for the same purpose.” The organization, he said, will provide more “detailed data standards” for individual countries “to generate their own digital vaccination certificate, …