Hong Kong, which already has some of the world’s toughest health security measures as a result of SARS, has stepped up its surveillance of visitors for signs of flu.
Although there are no swine flu cases there, authorities have made the illness a “notifiable disease,” meaning anyone who has come into contact with a suspected patient can now be quarantined.
Most countries in the region have increased airport checks to screen passengers arriving from affected areas and advised against non-essential travel to Mexico.
Thermal scanners have been a common feature in many Asian airports since SARS, despite suggestions they have only limited ability to catch such illnesses.
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