A client presents to the emergency department with muscle aches, headache, fever, and describes a recent loss of taste and smell. The nurse obtains a nasal swab for COVID-19 testing. Which action is most important for the nurse to take?

Isolate the client from other clients, family, and healthcare workers not wearing proper personal protective equipment (PPE).

Counsel family members to monitor for illness symptoms for 2 weeks after last contact with the patient.

Report the COVID-19 result to the local health department according to Centers for Disease Control and Prevention (CDC) guidelines.

Teach the client to wear a mask, hand wash, and social distance to prevent spreading the virus.