
Vaccine passports: Ineffective for curbing COVID-19 transmissions, risky for digital security
In many Asia-Pacific countries, contact tracing apps are now doubling as vaccine passports, used by governments to enforce various restrictions on travel and entry to a wide variety of venues and establishments. But the widespread waning of vaccine protection against infection and transmission requires a debate on whether vaccine passports are effective as a pandemic management tool – or merely a form of theatre that opens up a host of privacy, and security issues.