One of the five manufacturers supplying H1N1 vaccine to the United States is recalling hundreds of thousands of flu shots because they aren't as potent as they should be.
CNN's Elizabeth Cohen reports on a recall of hundreds of thousands of doses of H1N1 vaccine.
Vaccine manufacturing giant Sanofi Pasteur opened its doors to the media Wednesday, inviting reporters to a first-of-its-kind, up-close look at its H1N1 flu vaccine production facility.
Gaffes in federal reports this week about stimulus have called into question the government's ability to accurately track how many jobs are being created by the massive $787 billion Recovery Act.
At least three of the four makers of H1N1 vaccine have begun shipping their products, their representatives told CNN Tuesday.
Sanofi Pasteur expanded its bird flu contact with the U.S. government and shipped out thousands of experimental vaccine doses to build up stockpiles against the specter of a pandemic, the company said on Monday.