The Problem With ‘Immunity Passports’

Some issues to think about when it comes to the strategy of using antibody tests to reopen the economy

Everyone is waiting for antibody tests to become available. These kinds of tests can tell if someone has been infected with Covid-19 and might have some immunity. It’s helpful for tracking the spread of the virus and doing better contact tracing.

Everyone also wants to know when things will return to normal. Is there a way to combine antibody testing with a plan to get…