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Egypt, with 12 to 15 percent of its population estimated to carry the virus's antibodies, hovers near the top of the global HCV chart. (In the United States the percentage is 1.8.) The El Sayeeds live in a region that lies at ground zero in the HCV crisis. Studies of villages in the Nile Delta show that about half of the residents older than 35 have the virus or have had it in the past.