Work involves coordinating assignments and specific duties for all PNAs which include assisting the patients with activities of daily living, instructing staff on hospital and program procedures and policies, and providing emergency, health, and personal care services to patients; interacting with patients therapeutically; observing, reporting, and documenting, in an electronic record, patient conditions and behaviors; and participating in individualized and unit-based programming. 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.