The recommendation is that children between 6 months and 10 years old should get two half-doses of the adjuvanted vaccine. Why can’t they get one full dose?
The recommendation for two half-doses of vaccine in children under 10 is aligned with the seasonal flu recommendation. The seasonal flu recommendation is that children six months to 23 months receive two half doses of the vaccine, and children over the age of 23 months to 10 years who are receiving the vaccine for the first time should also receive two half doses of vaccine. This has been shown to give children the best immune response. Since the H1N1 flu vaccine is an influenza vaccine, the recommendation stands. Additionally, reactions to the vaccine were higher in clinical trials for children who received a full dose as compared to those who received two half-doses.
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