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Objectives To assess the risk of transmission of pandemic A/H1N1 2009 influenza (pandemic A/H1N1) from an infected high school group to other passengers on an airline flight and the effectiveness of screening and follow-up of exposed passengers.
Design Retrospective cohort investigation using a questionnaire administered to passengers and laboratory investigation of those with symptoms.
Setting Auckland, New Zealand, with national and international follow-up of passengers.
Participants Passengers seated in the rear section of a Boeing 747-400 long haul flight that arrived on 25 April 2009, including a group of 24 students and teachers and 97 (out of 102) other passengers in the same section of the plane who agreed to be interviewed.
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Design Retrospective cohort investigation using a questionnaire administered to passengers and laboratory investigation of those with symptoms.
Setting Auckland, New Zealand, with national and international follow-up of passengers.
Participants Passengers seated in the rear section of a Boeing 747-400 long haul flight that arrived on 25 April 2009, including a group of 24 students and teachers and 97 (out of 102) other passengers in the same section of the plane who agreed to be interviewed.
Link