The 2007 Vietnam food scare was a series of food scandal which exposed contaminated food.Toxic soy sauce, chemical veggies -- food scares hit Vietnam Among the issues were formaldehyde in noodles of the national dish, phở, banned pesticides in vegetables and fruit, and cancer-causing chemicals in soy sauce.Soya sauce stirs worry and discontentment among publicFormaldehyde noodles? No thanks Jakarta Post
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