Responsibilities include, but are not limited to, reviewing applications, interviewing candidates, selecting and hiring potential employees, scheduling and assigning workload, establishing performance measures, evaluating work performance, providing feedback and guidance, recommending staff development and training, recommending personnel and disciplinary actions, and scheduling and approving leave. According to the Centers for Disease Control and Prevention, healthcare workers are considered to be at significant risk for acquiring or transmitting hepatitis B, measles, mumps, rubella, varicella (chicken pox), tetanus, diphtheria, pertussis (whooping cough), and influenza.