Sanofi Pasteur says that its experimental bird flu vaccine has proved effective against recent variations of the virus, leading its researchers believe that the therapy could be effective against a viral mutation that could trigger a human pandemic. Sanofi researchers announced last May that the vaccine appeared safe and effective in early human trials. And the new data indicates that the vaccine produces antibodies that work against recently discovered strains of H5N1.

- here's the AFX report [1] on the vaccine