Dole Coronavirus In Ohio: 200 Workers Test Positive At Dole Plant In Springfield By Associated Press • Jun 18, 2020 Centers for Disease Control and Prevention Gov. Mike DeWine says at least 200 employees at a vegetables plant in Springfield have tested positive for the coronavirus. The governor announced that total Wednesday during a briefing in Columbus. 18 People Fall Ill To Listeria; Dole Shuts Down Production at Springfield, OH Plant By Sam Hendren • Feb 26, 2016 Dole Incorporated has shut down its production facility in Springfield, Ohio, due to listeria contamination. 18 people in 9 states were hospitalized. Of those 18, one person in Michigan has died. Officials: 18 Sickened By Packaged Salads From Ohio Plant By The Associated Press Ohio • Feb 26, 2016 Flickr.com Health officials say more than a dozen people have become sickened by a listeriosis outbreak connected to a Dole processing plant in southwest Ohio.