Resources for Positive COVID-19 Cases and Close Contacts


QUARANTINE keeps someone who was in close contact with someone who has COVID-19 away from others. The document below helps individuals know when to quarantine, how to quarantine safely and when to end quarantine.

Quarantine guidance for Contacts (English) (Spanish) (Russian(Other languages)

*There are exceptions for healthcare workers; emergency response personnel and social service workers who work face to face with clients in the child welfare system or in assisted living facilities. View the full CDPH guidance here. For those who have been fully vaccinated, find quarantine guidance here.


ISOLATION keeps someone who is sick or tested positive for COVID-19 without symptoms away from others, even in their own home. The document below helps individuals know when to isolate, how to isolate safely and when to end isolation. 

Isolation guidance for Confirmed COVID-19 Cases (English) (More FAQs) (Spanish) (Russian) (Other languages)

*Going forward, Public Health is unable to provide individualized return to work clearance letters. Please refer to the above documents for details on when you may self-release from isolation or quarantine.

Sick Persons

People with these symptoms may have COVID-19:

  • Fever or chills
  • Cough
  • Shortness of breath or difficulty breathing
  • Fatigue
  • Muscle or body aches
  • Headache
  • New loss of taste or smell
  • Sore throat
  • Congestion or runny nose
  • Nausea or vomiting
  • Diarrhea

Stay home if you are sick. Individuals with symptoms consistent with COVID-19 should get tested, even if symptoms are mild. Individuals who test positive should follow isolation guidance

Individuals who develop difficulty breathing, feel extremely tired, or were feeling better but then feel a lot worse should call their health care provider. If they will be going to the provider’s office or urgent care center, they should call ahead so that the health care provider can be prepared to care for them.

Guidance for Vaccinated Persons: 

Read Guidance for Fully Vaccinated Persons around testing, quarantine and more.