Composition of 2017-2018 Influenza Vaccine

Influenza Vaccine Composition for 2017-2018

2017-18 triavalent vaccines:

  1. an A/Michigan/45/2015 (H1N1)pdm09-like virus
  2. an A/Hong Kong/4801/2014 (H3N2)-like virus
  3. a B/Brisbane/60/2008-like (B/Victoria lineage) virus

2017-18 quadrivalent vaccines:

  1. the same three HA antigens as trivalent vaccines, plus
  2. a B/Phuket/3073/2013-like virus (Yamagata lineage)

Influenza Vaccine Storage and Administration

IIV (Inactivated Influenza Vaccine) should be refrigerated at 2 degrees to 8 degrees C (35 degrees to 46 degrees F). Flu vaccine cannot be frozen. IIV should be administered in the deltoid muscle of older children and adults. The preferred injection site for infants and young children is the antero lateral aspect of the thigh. One inch needle lengths should be used for all groups, although large people may require immunization with a 1 ½ needle length.

Fluzone intradermal is administered intradermally via a single-dose, prefilled microinjection syringe. The preferred site for administration is over the deltoid muscle. Fluzone intradermal is indicated for persons aged 18 through 64 years.

While LAIV (live attenuated influenza vaccine) is no longer recommended by the ACIP, inactivated influenza vaccine (IIV) storage and administration has not changed.

Influenza Vaccine Clinic Resources

Flu Vaccine from ACPHD

Each year, we distribute flu vaccine to providers who agree to certain guidelines about to whom they will administer the vaccine and how and when to report usage. Visit our Flu Vaccine Distribution Program page for more information.

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