General Information

Event name: ZAF-58-001
Country: SOUTH AFRICA
Nature of the harmful event:
Seafood toxins
Event directly affected:
Humans
Toxicity detected: Yes
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: Yes
Individuals to contact: MANSFIELD, Lisa , SCHWEIBOLD Laura

Location & Date

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Location: Latitude: -33.890278, Longitude: 18.382500
General location information: Cape region, West coast
HAB Area code(s): ZAF-01
Additional location information:
Bloom event dates (yyyy/mm/dd): Event Date:1958-05-01
Quarantine levels dates (yyyy/mm/dd):
Additional date-related information:

Microalgae

Causative organism known: No
Causative Species/Genus:
Co-Ocurring Species/Genus:
Chlorophyll concentration, if known: µg/l
Additional bloom information: Gymnodinium genus suspected
Event-related bibliography: SAPEIKA, N. 1958 - Mussel poisoning: a recent outbreak. S. Afr. med. J. 32: 527.

Environmental Conditions

Weather: Turbidity (NTU): Wind direction:
Stratified water: Oxygen content (nL/L): Wind velocity:
Temperature (°C): Oxygen saturation %: Current Direction:
Sechhi disk (m): Salinity: Current Velocity:
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:

Toxin Assay Information

Species containing the toxin Toxin type Toxin details Max. concentration Assay type
Bioassay-Mouse
Kit used: No Type of kit used:
Additional information: Bioassay positive on mice and cats, toxin described as a "very potent alkaloid"
Economic losses:
Management decision:
Additional harmful effect information: Two humans poisoned, one died after a 4 days hospitalization
Created at 02:07 on 8 Nov 2019
Updated at 11:06 on 10 Nov 2019
IOC/UNESCO ISSHA
IOC/UNESCO ICES PICES