Table 5.

Methods used to identify and reach contacts by country

Country	Methods used to identify contacts	Methods used to reach contacts
Germany (air ambulance)	Requested healthcare workers to report contact with the patient during air transport to hospital.	Questionnaire given to fill in.
Italy	Requested contact details from airline.	.
Greece	Requested contact details from airline.	Phone.
UK	Requested contact details from airline; requested through press release that passengers of the flight call a health phone service (hotline).	Phone.
Austria	Requested contact details from airline	Crew data sent to WHO to communicate to Qatar.
China	Passenger list provided by WHO; airline provided seating plan and contact details; travel agency provided tour member list; hotline set up and case's travel details published.	Some contacts had an initial interview in person and were monitored by phone; others called hotline.
Philippines	.	Interviewed in person.
USA	Ordered passenger manifest from airline, use of federal databases (i.e. border control), custom declaration forms, contact with Public Health England for details of Riyadh-London passengers.	Phone, email, letter, interviewed in person. Crew contacted by airline.
Thailand	Requested passenger details from airline.	Phone, located at address, voluntarily reported and interviewed in person.