With COVID on the rise and new vaccines arriving in pharmacies and doctor’s offices, the vast majority of Floridians believe the shots are safe, help prevent the spread of infections, and reduce the risk of hospitalization and death. Those assessments are validated by the overwhelming majority of public health authorities — and, a statewide poll shows, seven in 10 Floridians. But the University of South Florida/Florida Atlantic University public opinion survey that probed what people know — or think they know — revealed sizable numbers of Florida residents believe inaccurate assertions about the vaccines. And that’s a problem, said Stephen Neely, an associate professor at USF’s School of Public Affairs. “The misinformation unnecessarily costs lives.