1, generally not. Generally speaking, freezing at MINUS 20℃ for more than 24 hours can eliminate the harm of parasites, so for scallops frozen for a certain period of time, they generally do not contain parasites, and low-temperature freezing can better preserve the delicate flavor of scallops.

2. Scallop is a kind of shellfish, which mainly grows in the shallow sea from the low tide zone to hundreds of meters. It feeds on ephemera algae, which may contain more sediment, bacteria, parasites, etc. If eaten raw, it may cause discomfort symptoms such as abdominal pain and diarrhea, nausea and vomiting. Moreover, scallops also contain a lot of protein. If eaten raw, it will also cause a greater burden on the gastrointestinal digestive system, and it is prone to symptoms of indigestion such as abdominal distension and constipation, so it is not recommended to eat raw.