PARIS (Reuters) - Sanofi said European authorities have agreed to review a marketing application for a new flu vaccine designed to combat the four strains of virus expected in the coming season.Full story
CHICAGO (Reuters) - Fighting the flu may soon get easier. Full story
Workers vaccinate chicks with the H9 bird flu vaccine at a farm in Changfeng county, Anhui province, April 14, 2013. REUTERS/Stringer
A nurse prepares a dose of H1N1 flu vaccine at Prince Hamzeh hospital in Amman in this November 17, 2009 file photo. REUTERS/Ali Jarekji/Files
A man gets a flu vaccine on Jan. 15.