There are issues, but they're rare. Most fish for sushi is frozen, and freezing kills most parasites. read more
Fish for which the issues are known and more easy to track and avoid. Japanese fish have the same issues as any other fish, but less of the fish with problems make their way to the consumers. They’re rejected or dealt with extra care. For a long time, Japanese have eaten mostly salted salmon, a cheap fish prone to parasites. read more