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Catalonian police officers patrol along La Ramblas in Barcelona, Spain, Sunday, March 15, 2020. Spain's government announced Saturday that it is placing tight restrictions on movements and closing restaurants and other establishments in the nation of 46 million people as part of a two-week state of emergency to fight the sharp rise in coronavirus infections. For most people, the new coronavirus causes only mild or moderate symptoms. For some, it can cause more severe illness, especially in older adults and people with existing health problems. (AP Photo/Emilio Morenatti)