Things to know about FDA warning on paralytic shellfish poisoning in Pacific Northwest The Associated PressFDA issues warning about paralytic shellfish poisoning. Here’s what to know. CBS NewsOregon Coast closed to harvesting of 4 types of shellfish in ‘unprecedented’ move after widespread contaminat OregonLiveOregon Coast shellfish harvesting closure expands to clams after poisonings Oregon Public BroadcastingAll razor, bay clam harvesting closed along entire Oregon Coast due to biotoxin KATU