Read the full article from The Conversation here.
From the article: 

In efforts to contain the spread of COVID-19, governments are imposing stringent restrictions on movement, including social distancing and a national lockdown. They are also finding efficient ways of tracing and tracking contact once an infection has been verified.

Reference: Georg, CP. 2020. "‘Track and trace’ is key to containing COVID-19: how privacy can be protected". The Conversation.