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THE head of public health in the Lothians has warned that global challenges may force a change in the way residents move around the world with ease.
Dr Alison McCallum said there was significant recent evidence, including disease outbreak and environmental factors like the volcanic ash cloud, which meant there was less room for complacency.
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http://edinburghnews.scotsman.com/topstories/Warning-of-global-challenges-restricting.6820825.jp