immunity passports

The United Nations's health agency has warned there is no scientific evidence to prove that people who have recovered from the coronavirus develop immunity against potential infection in the future, as the global death toll from COVID-19 passed 200,000 on Saturday amid 2.8 million infections. The World Health Organization (WHO) gave the warning as a number of countries consider issuing so-called "immunity passports" to people who have recovered from COVID-19, the disease […]