Volusia County Sheriff Mike Chitwood also completed two weeks of self isolation after he tested positive for the virus and had mild symptoms.Chitwood returned to work this week after he said he battled through “the worst sickness I think I’ve ever experienced.”At least five people who attended the Florida Sheriffs Association meeting in Bonita Springs, including Chitwood, on July 27 later tested positive for COVID-19, according to the News Service of Florida..