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.