There have been nine confirmed cases of strawberries containing needles within them, with one consumer being hospitalised.
Consumers have reported close shaves with their children and a copycat case has surfaced in another Queensland store.
Dr Kim Phan, a lecturer in food science and the University of Sydney, said the industry was not prepared for this kind of intentional contamination.
She said the industry's hazard control systems would need to evolve to include vulnerability and threats.