Active substance

Influenza a Virus a/Missouri/11/2025 (h1n1) Recombinant Hemagglutinin Antigen, Influenza a Virus a/Darwin/1415/2025 (h3n2) Recombinant Hemagglutinin Antigen, and Influenza B Virus B/Pennsylvania/14/2025 Recombinant Hemagglutinin Antigen

1 products from 1 companies contain this in United States.

1 prescription onlyInjection

Prescription only

Flublok Trivalent Northern Hemisphere45 ug/.5mL + 45 ug/.5mL + 45 ug/.5mLPrescription onlyInjection Sanofi Vaccines US Inc. · Influenza a Virus a/Missouri/11/2025 (h1n1) Recombinant Hemagglutinin Antigen, Influenza a Virus a/Darwin/1415/2025 (h3n2) Recombinant Hemagglutinin Antigen, and Influenza B Virus B/Pennsylvania/14/2025 Recombinant Hemagglutinin Antigen

Same substance is not the same product. Strength, form, release mechanism and other ingredients all differ. Whether one can replace another is a decision for a pharmacist.