Skip directly to search Skip directly to A to Z list Skip directly to page options Skip directly to site content

Volume 8, Number 8—August 2002


Outbreak of Cyclosporiasis Associated with Imported Raspberries, Philadelphia, Pennsylvania, 2000

Alice Y. Ho*Comments to Author , Adriana S. Lopez†‡, Michael G. Eberhart*, Robert Levenson*, Bernard S. Finkel*, Alexandre J. da Silva‡, Jacquelin M. Roberts‡, Palmer A. Orlandi§, Caroline C. Johnson*, and Barbara L. Herwaldt‡
Author affiliations: *Philadelphia Department of Public Health, Philadelphia, Pennsylvania, USA; †Atlanta Research and Education Foundation, Atlanta, Georgia, USA; ‡Centers for Disease Control and Prevention, Atlanta, Georgia, USA; §Food and Drug Administration, Washington, DC, USA;

Main Article

Table 2

Food items at a wedding reception that were significantly associated with cyclosporiasis in univariate analyses, Pennsylvania, June 2000

Attack rate in attendees, no. ill/no. exposed or unexposed (%)
Food itemsa Exposed Unexposed RR (95% CI)
Wedding cakeb 50/53 (94.3) 4/26 (15.4) 6.1 (2.5 to 15.1)
Fresh fruitc 36/43 (83.7) 18/36 (50.0) 1.7 (1.2 to 2.4)
Arugula salad 34/41 (82.9) 20/38 (52.6) 1.6 (1.1 to 2.2)
Focaccia bread 15/16 (93.8) 39/63 (61.9) 1.5 (1.2 to 1.9)
Hearthbaked bread 23/27 (85.2) 31/52 (59.6) 1.4 (1.1 to 1.9)

aMesclun lettuce was served as a garnish on several hors d’oeuvres trays, and basil was served fresh in one food item. Neither was significantly associated with illness.
bFood item was statistically significant in multivariate analyses (relative risk, 5.9; 95% confidence interval [CI] 3.6 to 10.5).
cFresh fruit included strawberries, raspberries, blueberries, and blackberries. Persons served themselves from a bowl of fresh strawberries and a bowl of fresh raspberries, blueberries, and blackberries next to the cake. The raspberries in the bowl came from a different source than the raspberries in the cake filling and were not statistically significant in multivariate analyses.

Main Article