(Reuters) - U.S. health regulators have approved a new four-strain seasonal influenza vaccine made by GlaxoSmithKline Plc, the company said on Monday. The U.S. Food and Drug Administration has approved Fluarix Quadrivalent to immunize children age 3 and older and adults against flu virus subtypes A and B contained in the vaccine. It is the first intramuscular vaccine to protect against four influenza strains. Three-strain flu vaccines currently administered help protect against the two most common A virus strains and the B strain expected to be predominant in a given year, the company said. ... via Health News Headlines - Yahoo! News Read More Here..
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