[[Fil:Defense.gov News Photo 041028-N-9864S-021.jpg|thumb|En person i [[United States Navy]] modtager en influenzavaccination]]
'''Influenzavaccine''' er [[vaccine]], der beskytter mod [[influenza]].<ref name=WHO2012>{{cite journal|title=Vaccines against influenza WHO position paper – November 2012.|journal=Wkly Epidemiol Rec|date=23. november 2012|volume=87|issue=46|pages=461–76|pmid=23210147|url=http://www.who.int/wer/2012/wer8747.pdf}}</ref> En ny version af influenzavaccine udvikles to gange årligt eftersom at [[orthomyxoviridae|influenzavirus]] hurtigt forandrer sig.<ref name=WHO2012/><ref name=Man2012>{{cite journal |title=Effectiveness and harms of seasonal and pandemic influenza vaccines in children, adults and elderly: a critical review and re-analysis of 15 meta-analyses |journal=Hum Vaccin Immunother |volume=8 |issue=7 |pages=851–62 |date=juli 2012 |pmid=22777099 |pmc=3495721 |doi=10.4161/hv.19917|name-list-style=vanc|author1 = Manzoli L|author2 = Ioannidis JP|author3=Flacco ME |author4=De Vito C |author5=Villari P |author-link2=John P.A. Ioannidis }}</ref> De fleste influenzavacciner giver begrænset til høj beskyttelse mod influenza, men alligevel skønnes det at op til 650 000 mennesker dør af luftvejssygdomme forbundet med sæsonbetinget influenza hvert år, og op til 72 000 af disse dødsfald forekommer i Europa.<ref>[https://www.euro.who.int/en/health-topics/communicable-diseases/influenza/seasonal-influenza/burden-of-influenza Influenza – estimating burden of disease. WHO 2020]</ref>
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