Things to know about FDA warning on paralytic shellfish poisoning in Pacific Northwest

The U.S. Food and Drug Administration says consumers should avoid eating shellfish from Oregon and Washington state as they may be contaminated with toxins that cause paralytic shellfish poisoning. At least 31 people have been sickened in Oregon so far, according to state health officials. Here’s what to know about the federal agency’s advisory.

What’s the FDA warning?

The warning says to avoid oysters and bay clams harvested from Netarts and Tillamook bays in northern Oregon since May 28, as well as shellfish harvested from areas around Willapa Bay in southern Washington since May 26. They may be contaminated with high levels of paralytic shellfish poisoning, or PSP, a naturally occurring toxin produced by algae.