Patient selection: exposure to a person infected with 2019 novel coronavirus
High risk:
(1) travel to Hubei Province in China
(2) living in the same household as, or being the intimate partner of, a symptomatic person with confirmed infection AND NOT using recommended precautions
(3) providing care in a non-healthcare setting to a symptomatic person with confirmed infection AND NOT using recommended precautions
Medium risk:
(1) travel to mainland China outside of Hubei province
(2) living in the same household as, or being the intimate partner of, a symptomatic person with confirmed infection AND using recommended precautions
(3) providing care in a non-healthcare setting to a symptomatic person with confirmed infection AND using recommended precautions
(4) sitting on an airplane within 6 feet from a symptomatic person for a prolonged period
(5) living in the same household as, or being the intimate partner of, a symptomatic person with a suspected infection (not laboratory confirmed)
(6) providing care in a non-healthcare setting to a symptomatic person with a suspected infection (not laboratory confirmed)
Low risk:
(1) in the same indoor environment as a symptomatic person with confirmed infection for a prolonged period but not having close contact
(2) sitting on an airplane more than 6 feet from a symptomatic person but within 2 rows for a prolonged period
No risk:
(1) walking by or being exposed briefly to a person with symptomatic confirmed infection
