Travel and public health
Division of Epidemiology and Prevention of Communicable Diseases, WHO Centre for Travellers Health, cc Institute of Social and Preventive Medicine, University of Zurich, Hirschengraben 84, CH-8001 Zurich, Switzerland
Received 25 September 2008; received in revised form 23 October 2008; accepted 24 October 2008.
PII: S1876-0341(08)00032-4
doi:10.1016/j.jiph.2008.10.005
© 2008 King Saud Bin Abdulaziz University for Health Sciences. Published by Elsevier Inc. All rights reserved.
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