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In this Monday, Feb. 24, 2020 photo, Shiite pilgrims wear masks outside the shrine of Imam Ali in Najaf, Iraq. The Health Ministry said four new cases of coronavirus were diagnosed in the northern province of Kirkuk. It said the afflicted were members of an Iraqi family who had returned from a recent trip to Iran. Iraq announced the discovery of the first coronavirus case in the country on Monday in Najaf. Iraq had earlier closed its border with Iran to Iranian nationals but apparently Iraqis can still cross the boundary. (AP Photo/Anmar Khalil)