Volume 8, Number 4—April 2002
Research
A Waterborne Outbreak of Escherichia coli O157:H7 Infections and Hemolytic Uremic Syndrome: Implications for Rural Water Systems 1
Sonja J. Olsen*
, Gayle Miller†, Thomas Breuer*, Malinda Kennedy*, Charles Higgins‡, Jim Walford†, Gary McKee†, Kim Fox#, William Bibb*, and Paul S. Mead*
, Gayle Miller†, Thomas Breuer*, Malinda Kennedy*, Charles Higgins‡, Jim Walford†, Gary McKee†, Kim Fox#, William Bibb*, and Paul S. Mead*Table 1
Attack rates among persons exposed to municipal water, by age group, Alpine, Wyoming, June–July 1998
| Age group (years) | Resident cohort N (%) | Family reunion cohort (nonresidents) N (%) |
|---|---|---|
| All ages | 48/207 (23) | 11/22 (50) |
| <9 | 10/30 (33) | 3/6 (50) |
| 10-19 | 7/26 (27) | 2/5 (40) |
| 20-39 | 11/55 (20) | 3/5 (60) |
| 40-59 | 16/63 (25) | 3/6 (50) |
| >60 | 4/33 (12) | 0/0 |
