Entry and exit screening of airline travellers during the A(H1N1) 2009 pandemic: a retrospective evaluation
Kamran Khan, Rose Eckhardt, John S Brownstein, Raza Naqvi, Wei Hu, David Kossowsky, David Scales, Julien Arino, Michael MacDonald, Jun Wang, Jennifer Sears & Martin S Cetron
Volume 91, Number 5, May 2013, 368-376
Table 2. Characteristics of the health screening strategies that might have been used to detect A(H1N1) pandemic influenza in travellers in May 2009a
|Exit||Targeted entryb||Indiscriminate entryc|
|No. of cities where screening would have been required||35||82||1111|
|No. of low-risk travellers who would have had to be screenedd||6017||6017||67 373 584|
|No. of travellers who would have had to be screened for every at-risk travellerd||1.01||1.01||116.4|
|No. of travel hours until screening|
|Median (interquartile range)||0 (0–0)||3.37 (2.57–4.33)||3.35 (2.5–4.58)|
a The data come from modelled scenarios in which the theoretical aim was to prevent air travellers carrying A(H1N1)pdm09 out of Mexico in May 2009.
b The screening of travellers on international flights arriving directly from Mexico.
c The screening of travellers on international flights arriving from any international airport worldwide.
d The 583 774 air travellers who initiated international travel from any domestic or international airport in Mexico in May 2009 were considered “at-risk” while all other travellers were considered “low-risk”.