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Volume 8, Number 6—June 2002

Research

Waterborne Outbreak of Norwalk-Like Virus Gastroenteritis at a Tourist Resort, Italy

Della Boccia*Comments to Author , Alberto Eugenio Tozzi*, Benvon Cotter*§, Caterina Rizzo†, Teresa Russo‡, Gabriele Buttinelli*, Alfredo Caprioli*, Maria Luisa Marziano*, and Franco Maria Ruggeri*
Author affiliations: *Istituto Superiore di Sanità, Rome, Italy; †University of Bari, Bari, Italy; ‡Local Health Unit, Montalbano Jonico, Matera, Italy; §European Programme for Intervention Epidemiology Training (EPIET), Rome, Italy;

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Table 4

Presence of Norwalk-like virus and Clostridium perfringens enterotoxin in stool samples from ill persons, Italy, July 2000

Sampling date No. examined No. positive for NLV a No. positive for CPE No. positive for NLV + CPE
07/18/01 12 9 0 0
07/20/01 1 1 1 1
07/21/01 8 7 6 6
07/27/01 2 2 0 0
07/28/01 5 3 0 0
Total 28 22 7 7

aAbbreviations used: NLV, Norwalk-like virus; CPE, Clostridium perfringens enterotoxin.

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