Not to worry. Your personal information is immediately encrypted and securely stored. It will only ever be used if there is a reported case of infection at the shop you visited or for medical authorities to successfully contact trace a Coronavirus-positive person. “The safety and wellbeing of our customers, teams and communities is our top priority,” said Andrew Hall, Woolworths Supermarkets General Manager for Victoria in a statement. “Contact tracing is an essential step in preventing the spread of COVID-19 and we want to do our bit to support the broader public health effort. “While checking in and sharing contact details will be voluntary for our customers, we encourage shoppers to make use of it in our trial stores," he continued..