TOKYO -- Governments are trying to strike a delicate balance between public safety and privacy in an attempt to convince citizens to embrace contract-tracing apps, which have gained popularity as a tool for stopping the spread of the novel coronavirus.
More than 60 countries and regions have introduced the apps in their fight against the pandemic, although the penetration rate -- or percentage of the population using the tech -- remains below 50% in many places, leaving their effectiveness in question.
