| Event name: | US-22-013 | |
| Country: | UNITED STATES | |
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Nature of the harmful event: |
High Phyto concentration , Seafood toxins | |
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Event directly affected: |
Shellfish , Humans | |
| Toxicity detected: | Yes (Approximate range: 106-991 μg/100 g shellfish tissue) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Case consumed multiple meals of contaminated butter clams recreationally harvested from a closed area over a period of a few days. Others known to case consumed clams with no symptoms. Case complained of tingling/numbness the next morning. | |
| Report the outcome of a monitoring programme: | Yes (Marine Biotoxin Program at the Washington State Department of Health, Office of Environmental and Health and Safety.) | |
| Event occurred before in this location: | Yes | |
| Individuals to contact: | BORCHERT, Jerry , BARRY, Tracie | |
| Location: | Latitude: , Longitude: | |
| General location information: |
Washington State, Central Puget Sound, HAB Area code(s): US-24 |
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| Additional location information: | PSP closures occurred later than usual beginning in mid September lasting through November. No PSP new PSP closures occurred in the Whidbey Basin in 2022, but butter/varnish clam closures remain in place due to elevated PSP levels. | |
| Bloom event dates (yyyy/mm/dd): | ||
| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium spp.
( cells/L)
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | ||
| Event-related bibliography: | ||
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| Nutrient information: | ||||||||||||||||||||||||||
| Temperature Range During Event: | Max: °C, Min: °C | |||||||||||||||||||||||||
| Salinity Range During Event: | ||||||||||||||||||||||||||
| Bloom location in the water column: | ||||||||||||||||||||||||||
| Growth: | ||||||||||||||||||||||||||
| Growth Comments | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | ||||||||||||||||||||||||||
| Additional information: | |||||||||||||||||||||||||||
| Economic losses: | Recreational, commercial and tribal ceremonial shellfish harvests were interrupted, causing cultural and economic loss to Central Puget Sound Washington communities | ||||||||||||||||||||||||||
| Management decision: | WADOH closed shellfish harvesting at impacted areas to protect public health. | ||||||||||||||||||||||||||
| Additional harmful effect information: | First PSP related human illness reported since 2012. | ||||||||||||||||||||||||||
