People pass a toll booth before entering the U.S. in Ciudad Juarez, Mexico
People pass a toll booth before entering the U.S. in Ciudad Juarez, Mexico, April 30, 2009. Mexican President Felipe Calderon has ordered non-essential government offices and businesses to shut down for five days from Friday to stem the spread of a deadly swine flu virus that has killed up to 176 people in Mexico. REUTERS/Alejandro Bringas (MEXICO HEALTH IMAGES OF THE DAY)
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