Originally Posted by TheSquealer

Most fish have various forms of parasitic worms that can be passed to humans including very common fish like cod, salmon and halibut. When they are flash frozen to a temp of -Whataver, they are killed. There is no such thing as fresh salmon or tuna served raw in restaurants or stores. That fish has been frozen.

And your article states "freezing to -0" - clearly referencing home production/storage. Below that, it says below -0 kills parasites. Seafood processors flash freeze whole fish, steaks, filets etc at a temp of something like -40 / -50.