An elderly, nonverbal man died from burn injuries after being left too long in a whirlpool of scalding water at a state-run long-term care facility. A spokesperson for the state health department said they’ve fired four nurses, including three contract employees, who were involved in the patient’s death. It raises more concerns about how the Department of Health Facilities is vetting nurses supplied through staffing companies — an issue leaders said they’ve tried to improve after multiple employees were charged with crimes last year at a different state-run facility. The patient’s death happen…