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4. Tables

*In general, geographic exposure categories do not apply to travelers who only transit through an airport.
Source: CDC, March 7, 2020.

Risk Categories for Exposures Associated with International Travel or Identified during Contact Investigations of Laboratory-confirmed Cases

Risk Level

Geographic (Travel-associated) Exposures*

Exposures Identified through Contact Investigation

High

Travel from Hubei Province, China

Living in the same household as, being an intimate partner of, or providing care in a nonhealthcare setting (such as a home) for a person with symptomatic laboratory-confirmed COVID-19 infection without using recommended precautions for home care and home isolation

Medium (assumes no exposures in the high-risk category)

  • Travel from mainland China outside Hubei Province or Iran
  • Travel from a country with widespread sustained transmission, other than China or Iran
  • Travel from a country with sustained community transmission
  • Close contact with a person with symptomatic laboratory-confirmed COVID-19
  • On an aircraft, being seated within 6 feet (two meters) of a traveler with symptomatic laboratory-confirmed COVID-19 infection; this distance correlates approximately with 2 seats in each direction
  • Living in the same household as, an intimate partner of, or caring for a person in a nonhealthcare setting (such as a home) to a person with symptomatic laboratory-confirmed COVID-19 infection while consistently using recommended precautions for home care and home isolation

Low (assumes no exposures in the high-risk category)

Travel from any other country

Being in the same indoor environment (e.g., a classroom, a hospital waiting room) as a person with symptomatic laboratory-confirmed COVID-19 for a prolonged period of time but not meeting the definition of close contact

No identifiable risk

Not applicable

Interactions with a person with symptomatic laboratory-confirmed COVID-19 infection that do not meet any of the high-, medium- or low-risk conditions above, such as walking by the person or being briefly in the same room.