KING OF PRUSSIA, Pa.--(BUSINESS WIRE)--CSL Biotherapies, a subsidiary of one of the world’s leading manufacturers of influenza vaccine, announced today that it has begun shipment of its influenza virus vaccine in the United States for the 2007-2008 season. Coming after expedited approval by the United States Food and Drug Administration (FDA) of the inactivated, trivalent vaccine, shipping includes both single-dose, thimerosal-free, pre-filled syringes and multi-dose vials, to provide choice and convenience to caregivers who administer it.