| Event name: | ZAF-57-001 | |
| Country: | SOUTH AFRICA | |
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Nature of the harmful event: |
Seafood toxins | |
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Event directly affected: |
Other Terrestrial , Humans | |
| Toxicity detected: | Yes (Approximate range: 4,000 m.u. per 100 g. of mussel) | |
| Associated syndrome: | PSP | |
| Unexplained toxicity: | No | |
| Species implicated in toxin transmission (transvector): | Mytilus meridionalis | |
| Report the outcome of a monitoring programme: | No | |
| Event occurred before in this location: | No | |
| Individuals to contact: | MANSFIELD, Lisa , SCHWEIBOLD Laura | |
| Location: | Latitude: -29.588889, Longitude: 31.176667 | |
| General location information: |
Tongaat, East Coast HAB Area code(s): ZAF-03 |
|
| Additional location information: | Tongaat is the village where the victims lived, the exact location of the fishing is unknown | |
| Bloom event dates (yyyy/mm/dd): |
Event Date:1957-12-09 |
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| Quarantine levels dates (yyyy/mm/dd): | ||
| Additional date-related information: | ||
| Causative organism known: | Yes | |
| Causative Species/Genus: |
Alexandrium catenella
( cells/L)
uncertain identification, was ascribed to G. catenella |
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| Co-Ocurring Species/Genus: | ||
| Chlorophyll concentration, if known: | µg/l | |
| Additional bloom information: | uncertain identification, was ascribed to G. catenella | |
| Event-related bibliography: | MANN, N. M. and W. S. WINSHIP 1958 - Paralytic mussel poisoning in Natal. S. Afr. med. J. 32: 548-549. | |
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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 | ||||||||||||||||||||||||||
| Additional Environmental information: | ||||||||||||||||||||||||||
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| Kit used: No | Type of kit used: | |||||||||||
| Additional information: | Two extracts were made from the tested mussels. One was made from the digestive glands and was brown in colour, the other, from the gills, was cream coloured. These extracts were tested by injecting them into the dorsal lymph spaces of 20-g. toads (Bufo regularis). | |||||||||||
| Economic losses: | ||||||||||||
| Management decision: | ||||||||||||
| Additional harmful effect information: | 6 victims involved (5 humans and a cat), among them a 5 y.o. girl died because of respiratory paralysis. | |||||||||||
