Criteria for close contact - both of the following:
(1) one of the following:
(1a) having direct contract with body fluids or infectious secretions (being coughed on)
(1b) being < 6 feet (< 2 meters) from the patient for a period of time (typically > 15 minutes)
(2) not wearing recommended PPE
Situations considered being exposed to the patient:
(1) healthcare worker caring for
(2) living with
(3) visiting or spending time with
(4) working with or sitting in close proximity
(5) traveling together in a closed vehicle
(6) being within 2 seats in each direction on an airplane
Direct contact with body fluids or infectious secretions may include:
(1) secretions on a surface.
(2) being in the same room when an aerosol-generating procedure is performed
Factors affecting variability of the exposure:
(1) infectivity of the pathogen
(2) susceptibility of the exposed person
(3) how symptomatic the patient is
(4) whether the patient is wearing a mask
(5) how long the pathogen can survive outside the host
