Volume 12, Number 4—April 2006
Dispatch
Cryptosporidiosis Associated with Ozonated Apple Cider
Brian G. Blackburn*1
, Jacek M. Mazurek*†2, Michele Hlavsa*‡, Jean Park*, Matt Tillapaw§, MaryKay Parrish†, Ellen Salehi†, William Franks§, Elizabeth Koch†, Forrest Smith†, Lihua Xiao*, Michael J. Arrowood*, Vince Hill*, Alex da Silva*, Stephanie Johnston*, and Jeffrey L. Jones*
, Jacek M. Mazurek*†2, Michele Hlavsa*‡, Jean Park*, Matt Tillapaw§, MaryKay Parrish†, Ellen Salehi†, William Franks§, Elizabeth Koch†, Forrest Smith†, Lihua Xiao*, Michael J. Arrowood*, Vince Hill*, Alex da Silva*, Stephanie Johnston*, and Jeffrey L. Jones*
Table
Association of selected exposures to cryptosporidiosis from drinking of ozonated apple cider, Ohio, 2003*
| Exposure | Cases (n = 19), No. exposed/total (%) | Controls (n = 38), No. exposed/total (%) | MOR | 95% CI |
|---|---|---|---|---|
| Drinking cider A | 12/19 (63) | 0/38 (0) | – | Lower limit 5.6† |
| Eating apples from orchard A | 4/19 (21) | 0/38 (0) | – | Lower limit 1.3† |
| Eating green onions | 0/19 (0) | 6/37 (16) | 0 | – |
| Eating lettuce or garden salads | 9/18 (50) | 26/38 (68) | 0.6 | 0.2–1.6 |
| Eating raw berries | 0/19 (0) | 9/38 (24) | 0 | – |
| Drinking cider other than cider A | 9/19 (47) | 9/37 (24) | 3.3 | 0.9–11.6 |
| Drinking unfiltered tap water at home | 12/19 (63) | 17/37 (46) | 2.3 | 0.7–8.1 |
| Drinking well water at home | 6/18 (33) | 11/38 (29) | 1.1 | 0.4–3.6 |
| Swimming in recreational water | 1/19 (5) | 7/38 (18) | 0.3 | 0.03–2.2 |
| Household contact in day care | 1/19 (5) | 4/37 (11) | 0.3 | 0.02–5.3 |
| Household contact with diarrhea | 12/19 (63) | 7/38 (18) | 5.3 | 1.5–18.4 |
| Travel >50 miles from home | 7/19 (37) | 12/38 (32) | 1.3 | 0.4–4.9 |
| Contact with any animal | 14/19 (74) | 33/38 (87) | 0.4 | 0.08–1.7 |
| Contact with cattle | 6/19 (32) | 3/38 (8) | 5.5 | 1.1–28.4 |
*MOR, matched odds ratio; CI, confidence interval. Significant values are in boldface.
†Exact one-sided 95% CI.
1Current affiliation: Stanford University School of Medicine, Stanford, California, USA
2Current affiliation: Centers for Disease Control and Prevention, Morgantown, West Virginia, USA
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Page updated: January 23, 2012
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