The 2010-2011 trivalent seasonal influenza vaccine will include pandemic 2009 H1N1 virus. The CDC recommends universal flu vaccination beginning this year, with everyone six months or older urged to receive a flu vaccine.
A higher dose formulation of an inactivated seasonal influenza vaccine (Fluzone High-Dose) for people age 65 and older will be available this season. Fluzone High-Dose contains four times the amount of influenza antigen compared to other inactivated seasonal influenza vaccines. Studies are underway to assess the relative effectiveness of Fluzone High-Dose compared to standard dose inactivated influenza vaccine, but results from those studies will not be available before the 2010-2011 influenza season. The Advisory Committee on Immunization Practices (ACIP) has not expressed a preference for Fluzone High-Dose or any other licensed inactivated influenza vaccine for use in people age 65 and older.