Prebooking

​Inf​luenza Implementation Guidance


Updated September 2019

​Prebooking​


Each year, prebooking of influenza (flu) vaccine (ordering doses for the next year's flu season) begins around February, before the current season is even over. There are several things to consider when prebooking to help determine the number of doses needed for the next season. It is helpful if you have an electronic health record (EHR) or use an immunization information system (IIS), as most EHRs and IISs can categorize the number of patients by date of birth, which is important when calculating who will need 2 doses of vaccine. Some considerations for ordering include:

  • Number of children in each age group. Some influenza vaccines are licensed for children as young as 6 months, at which age annual vaccination is recommended. Other age groupings will be determined by the brand of vaccine used.

    • If you use Flucelvax Quadrivalent®  by Seqirus, how many children with be 4+ years by the start of the season? 

    • If you use Flumist® Quadrivalent by Medimmune, how many children with be 2+ years by the start of the season?

  • Approximate number of children who will need 2 doses. This is important to factor into your prebooking because you want everyone who needs 2 doses to receive both so they are fully protected. Individuals who need 2 doses will not be fully protected until they receive the second dose.

    • Children age 6 months through 8 yaers receiving influenza vaccine for the first time should receive two doses at least 28 days apart.

  • Approximate number of new patients each year. For example, if you have a 3% increase in patients each year, you will want to increase your prebooking order accordingly. For pediatricians, new patients should also include the number of expected newborns who will be 6 months of age by flu season. It's important to remember to plan for babies not yet born and also recognize that these infants will need a second dose.

  • Storage. Sufficient storage space is needed for the vaccines. Some practices may want to consider a flu vaccine fridge, a separate fridge to use just during flu season. If a vaccine refrigerator is packed too tightly, temperature fluctuations can occur and potentially make the flu vaccine and your other vaccine stock unusable. Remember that prefilled syringes take up more space per dose than multi-dose vials. Consider which you will stock (or how much of each) when you plan your storage needs.

Make sure you have enough needles/syringes on hand. If you use prefilled syringes, you won't need to purchase additional syringes. If you use multi-dose vials, you will need to purchase additional syringes.

Keep in mind the following:
  • Prebooking period of vaccine manufacturers generally takes place between November 1st – March 31st with the option to continue to place orders after this time, if product is available  

  • Some manufacturers allow providers to sign up for recurring reservations 

  • Manufacturers may offer discounts, other special promotions and/or delivery guarantees to providers who prebook by the prebooking deadline 

  • Manufacturers and/or their distributors may offer the flexibility to return up to a certain percentage of a prebooked order

  • Check with the vaccine manufacturer(s) on the terms related to adjusting an order prior to or following the prebooking deadline 

Considerations for VFC providers:

The prebooking process for the Vaccines for Children Program varies state to state. If you participate in the VFC Program, your state immunization program may have specific timelines for when prebooking should be complete and processes for how prebook orders are placed. VFC providers who do not prebook may expect delays in receipt of influenza vaccine. Also, your VFC program may not be able to guarantee quantity and/or formulation availability of prebooked influenza vaccine. Please refer to your local VFC program.

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