date:May 03, 2016
The report, dated Feb. 5, said the plant's third-party laboratory had notified Dole about positive Listeria test results from internal samples taken on Jan. 5 and 7. But it did not say whether testing was done to determine whether the bacteria posed a threat.
If you have ongoing, persistent contamination, that can indicate that you have a sanitation problem, Craig Hedberg, a professor of environmental health sciences at the University of Minnesota's School of Public Health, said in a phone in