Your answer to the question in this case will hinge on what you know about the influenza strains in the 2014-2015 vaccine vs those in the 2013-2014 formulation. See what you think.
A 23-month-old child is in your office in early September for evaluation of diaper rash and you’ve taken the opportunity to catch up on his vaccinations. The child did receive a single dose of trivalent vaccine last February but did not come back for the recommended second dose last year since he had never had a flu vaccine previously. Per the 2014-2015 influenza vaccine recommendations from the ACIP, you’ve administered 0.25 cc of the preservative-free quadravalent formulation of Fluzone (IIV).
The mom asks when she should bring the child back; you tell her that she: