Photo by Metro ServiceStaying hydrated, exercising and getting sufficient sleep are some of the things you can do to reduce your risk of getting sick while traveling. ■ Metro service Travel and tourism is big business. According to research from the World Travel & Tourism Council in conjunction with Oxford Economics, the travel and tourism industry outpaced the global economy for the sixth consecutive year in 2016. With so many people traveling for business or pleasure, it can be easy for illness to spread. Travelers concerned about their vulnerability to colds or other ailments may be unable to avoid cramped airline cabins or crowded restaurants, but there are ways for both

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