Woolworths has used its Everyday Rewards program to help suppress what could have been a catastrophic Covid cluster.
Supermarkets and department stores have been added to the list of venues visited by confirmed cases of coronavirus.
People have swarmed to their nearest supermarket to stock up on supplies ahead of the three-day Brisbane lockdown.
A number of supermarkets have been added to lists warning people to stop the spread of coronavirus in both Victoria and NSW.
Anyone who visited the venues at the listed times need to monitor for symptoms and get tested immediately if they appear.