| communitywide outbreak of legionnaires' disease associated with a grocery store mist machine. | from 10 october through 13 november 1989, 33 patients were hospitalized with legionnaires' disease in bogalusa, louisiana. a case-control study revealed case-patients were more likely than controls to have shopped at grocery store a (93% vs. 52%; odds ratio [or], 11.6; 95% confidence interval [ci], 2.3-78.7) in the 10 days before illness. among those who shopped at grocery store a, case-patients were more likely to shop for greater than 30 min (or, 18.0; ci, 2.0-407.8) and to buy produce items l ... | 1992 | 1552203 |