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Universal flu vaccine still 5 to 10 years away

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Though the United States has made significant progress in the realm of flu vaccines, the country will likely need to wait 5 to 10 years for a universal shot, top federal health officials said. Officials from the U.S. Centers for Disease Control and Prevention and the FDA testified before Congress, saying an increase in flu vaccine production capacity and newly approved flu shots--Flublok from Protein Sciences and quadrivalent vaccines from AstraZeneca ($AZN) and GlaxoSmithKline ($GSK)--are steps in the right direction, but long-term coverage is still a ways off. News