| first reported outbreak of abdominal angiostrongyliasis. | human abdominal angiostrongyliasis is a potentially fatal disease caused by angiostrongylus costaricensis, a nematode found in the americas. during the period of december 1994 through august 1995, an outbreak of this disease occurred in guatemala. we identified 22 cases of abdominal angiostrongyliasis and conducted a matched case-control study to identify risk factors for illness. the median age of the 18 cases enrolled in the study was 37 years (range, 9-68 years), and 11 (61.1%) were male. con ... | 1998 | 9580096 |