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(Reuters) - The U.S. Food and Drug Administration recommended on Friday that all blood donated in the United States and its territories be tested for Zika virus, as it moves to prevent transmission of the virus through the blood supply. The agency's move to expand its previous guideline for blood screening comes after Florida officials on Tuesday announced the first case of Zika transmitted by mosquitoes in Pinellas County, some 265 miles from Miami, where the first locally transmitted U.S. cases were reported. The FDA last month ordered blood banks in Florida's two most densely populated counties - Miami-Dade County and Broward County - to stop collecting blood.
The case for a U.S. interest rate hike has strengthened in recent months, Federal Reserve Chair Janet Yellen said on Friday in a speech that left the door open for such a move as early as next month. Yellen, speaking at an international gathering of central bankers and academics in Jackson Hole, Wyoming, did not say when the U.S. central bank would raise borrowing costs, and investors remained skeptical that such a move was imminent.