In Vietnam, food supplier found dousing snails in industrial chemicals before catering
Chemicals were used to buff up the snails' weight
Woman killed, sons hospitalized after eating poisonous snails in Nha Trang
The two sons have recovered and been discharged from the hospital
Vietnamese woman avoids death after eating poisoned snail
The snail houses a parasite that contains a powerful neurotoxin
Shellfish: A rustic delicacy in Saigon
Shellfish has long been a well-loved snack and delicacy for Vietnamese, appealing to local gourmands and tourists alike