The first vaccines to combat H1N1 swine flu should be approved and ready for use in some countries beginning in September 2009.
Leading flu vaccine makers include Sanofi-Aventis, GlaxoSmithKline, Novartis, Baxter, CSL and Solvay.
Source: http://www.reuters.com/article/domesticNews/idUSTRE5756XU20090806