CDC press brief: We are pushing forward with production of seasonal flu vaccine. Also undertaking steps to develop #h1n1 vaccine.
You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
CDC press brief: We are pushing forward with production of seasonal flu vaccine. Also undertaking steps to develop #h1n1 vaccine.