Response Protocol Appendix A - Definitions

Close Contact

Per the San Francisco Department of Public Health, a close contact of a COVID-19 positive individual is an individual who meets any of the following requirements from 48 hours prior to symptoms of the positive individual beginning:

  • Lived or stayed with the COVID-19 positive individual
  • Was an intimate partner of a COVID-19 positive individual
  • Took care of a COVID-19 positive individual, or was taken care of by a COVID-19 positive individual
  • Stayed within 6 feet of a COVID-19 positive individual for at least 15 minutes or more during a 24 hour period
  • Exposed to direct contact with the body fluids or secretions of a COVID-19 positive individual (e.g. coughed or sneezed on you) while not wearing a face mask, gloves, or gown


Isolation is the separation of sick individuals with a contagious disease (COVID-19) from those individuals who are not sick.


Quarantine keeps those individuals who were exposed to a contagious disease (COVID-19), and may be developing symptoms, away from others as they watch for the development of symptoms

USF community member

This term refers to USF students, faculty, staff, and affiliates