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Arizona had the highest hepatitis A incidence of any U.S. state during 1987–1997. In 1995, the first hepatitis A vaccines became available in the U.S. A series of hepatitis A vaccination policies and recommendations were implemented in 1996–2006. Our objective was to examine the shifting epidemiologic patterns in hepatitis A in Arizona from 1988 to 2007.Passive surveillance reports to the Arizona...
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