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www.fdanews.com/articles/120437-glaxo-one-h1n1-vaccine-dose-works

Glaxo: One H1N1 Vaccine Dose Works

September 14, 2009
GlaxoSmithKline said a single shot of its H1N1 swine flu vaccine protected people from the virus, adding to evidence that tight supplies can be stretched further by avoiding the need for two doses.
Yahoo! Asia