BOSTON (MarketWatch) -- Sanofi-Aventis is recalling about 800,000 doses of its U.S.-distributed H1N1 vaccine for children after tests showed that certain batches had lost their potency over time, the Centers for Disease Control said Tuesday.
BOSTON (MarketWatch) -- Sanofi-Aventis is recalling about 800,000 doses of its U.S.-distributed H1N1 vaccine for children after tests showed that certain batches had lost their potency over time, the Centers for Disease Control said Tuesday.
