Wednesday, December 10, 2008

When it comes to vaccines - why take more?

It seems that only half does flu shots are need according to this study published in Archives of Internal Medicine.

Half- vs Full-Dose Trivalent Inactivated Influenza Vaccine (2004-2005): Age, Dose, and Sex Effects on Immune Responses. Arch Intern Med 168:2405 (2008)

Conclusions: Antibody responses to intramuscular half- dose TIV in healthy, previously immunized adults were not substantially inferior to the full-dose vaccine, particularly for ages 18 to 49 years.

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