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A billboard that says "Stop Corona. Stay home" pictured on the highway A12 between Riaz and Fribourg, during the state of emergency of the coronavirus disease (COVID-19) outbreak, in Fribourg, Switzerland, Wednesday, April 1st, 2020. Countries around the world are taking increased measures to stem the widespread of the SARS-CoV-2 coronavirus, which causes the COVID-19 disease. (KEYSTONE/Anthony Anex)