'It does then stop people walking towards one another, face-to-face,' Professor Mortimer told Yahoo.
The move was supported by shoppers on social media.
'Nobody adhering to the 1.5m rule,' said one user. Added another: 'YES FRIGGIN PLEASE! I felt like I was dodging landmines in Woolies this morning.’
The calls come just a day after Woolworths announced plans to erect large perspex screens at checkouts to protect staff and shoppers.
Says Claire Peters, Managing Director of Woolworths supermarkets: ‘We know it’s not always easy to maintain social distancing at our checkouts, so we’ve started installing plexiglass screens as an additional safeguard for our team members and customers.’