Student Murphy Wan Lam-yin and Dr Hani El-Nezami get to work testing a canvas bag in the HKU laboratory. Photo: Jonathan Wong
Reusable shopping bags may be bringing home bacteria
Although canvas bags are green, they may be the source of nasty bacteria if you don't wash them
Student Murphy Wan Lam-yin and Dr Hani El-Nezami get to work testing a canvas bag in the HKU laboratory. Photo: Jonathan Wong