Parents face confusing choices over brand safety and integrity, report Zhao Xu, Peng Yining and Yang Yang in Beijing.

Any public scandal related to food safety or children is bound to arouse strong emotions, but when it comes to infant milk formula, the impact is not simply doubled, but increased tenfold.

The truth of that statement has been demonstrated by a number of recent scandals in China that have not only embroiled some of the world's leading providers of infant formula, but have also put doctors, hospitals and those in positions of authority on trial.