This year’s influenza vaccine contains strains that have changed from last year’s vaccine. The 2017/2018 vaccine contains:
- A/Michigan/45/2015 (H1N1)pdm09-like virus (new)
- A/Hong Kong/4801/2014 (H3N2)-like virus (unchanged)
- B/Brisbane/60/2008 (Victoria-lineage)-like virus (unchanged)
- B/Phuket/3073/2013 (Yamagata-lineage)-like virus (quadrivalent vaccines only)
The vaccine will protect against influenza viruses that research indicates will be most common during this flu season.
What kinds of flu vaccines are available?
Inactivated influenza (flu) vaccine: The inactivated flu vaccine is made of killed influenza viruses. It is approved for anyone 6 months and older. The inactivated influenza vaccine or flu shot is given by injection. There are four types of inactivate flu vaccine available this year. The quadrivalent vaccines (Flulaval Tetra® and Fluzone® Quadrivalent) include four vaccine strains and is recommended for children. The trivalent vaccines (Fluviral ®, Agriflu®) contain three vaccine strains and can be used for adults and children.
Live attenuated influenza (flu) vaccine: The live attenuated influenza vaccine is made from weakened influenza viruses. It is given as an intranasal spray into both nostrils. It is approved for people 2 to 59 years of age. The vaccine is available for children 2 years of age and older.
Where can I get a flu shot?