| lethal paralytic shellfish poisoning in guatemala. | an outbreak of paralytic shellfish poisoning occurred in champerico, on the pacific coast of guatemala, july-august 1987. of 187 people affected with characteristic neurologic symptoms, 26 died. a case study implicated a species of clam, amphichaena kindermani, harvested from local beaches as the vehicle of the neurotoxins (saxitoxins). children less than 6 years old had a higher fatality rate (50%) than people greater than 18 years of age (7%). the minimum lethal dose for 1 child was estimated ... | 1990 | 2316796 |