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).

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.

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