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Branswell: Flu shot gave modest protection against A strains but none against B this year

Posted on April 17, 2008

Via C-Health, Helen Branswell of Canadian Press reports: Flu shot gave modest protection against A strains but none against B this year. Excerpt from a long, must-read article:This year's flu shot performed better than expected against some strains but failed to protect against the viruses that have been sending Canadians to their beds at the tail end of flu season, new research reveals.An interim look of the efficacy of the vaccine by U.S. researchers showed it had zero impact on the main family of influenza B viruses circulating this winter, the so-called B/Florida-like viruses. That line of...

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