Influenza B Virus Vaccine
Influenza B Virus Antigen is a diagnostic reagent used in laboratory testing to detect Influenza B virus infections. It is primarily utilized in clinical and research settings to identify the presence of Influenza B virus antigens or antibodies in patient specimens, aiding in the diagnosis of flu infections.
Influenza B Virus Antigen is a diagnostic reagent used to detect Influenza B virus infections in patient samples.
Key facts at a glance
- RxNorm
- 1657134
- Generic
- Influenza B Virus Antigen
- Class
- unclassified
- Brands
- Flulaval Quadrivalent 2022-2023, Fluarix Quadrivalent 2022-2023, Fluzone Quadrivalent 2022-2023, Fluad Quadrivalent 2022-2023, Afluria Quadrivalent 2022-2023, Flublok Quadrivalent 2022-2023, Flucelvax Quadrivalent 2022-2023, FluMist Quadrivalent 2022-2023, FluMist Quadrivalent 2023-2024, Fluad Quadrivalent 2023-2024, Flulaval Quadrivalent 2023-2024, Afluria Quadrivalent 2023-2024, Flucelvax Quadrivalent 2023-2024, Fluzone Quadrivalent 2023-2024, Fluarix Quadrivalent 2023-2024
- Availability
- rx
- Lactation
- unknown
- Routes
- nasal
- Forms
- prefilled syringe, injection, spray, suspension
- Regions
- US, EU, CN, JP
- Monitoring
- —
This page is for informational purposes only.
Do not use this information to diagnose yourself or to replace a physician's advice. Always consult a qualified healthcare provider before starting, stopping, or changing any medication. If you believe you are experiencing a medical emergency, call your local emergency number immediately.
This antigen is used in diagnostic testing to detect Influenza B virus infections in symptomatic patients, monitor immune responses following vaccination, and conduct epidemiological surveillance of influenza strains in population studies.
In diagnostic assays, the antigen serves as a target for detecting virus-specific antibodies in patient blood serum, or conversely, the antigen is used to detect viral proteins in respiratory specimens using antibody-based detection methods.
This is a laboratory diagnostic reagent, not a therapeutic agent. Testing should be performed by qualified laboratory personnel following standardized protocols. Results should be interpreted in conjunction with clinical symptoms and other diagnostic information. Storage requirements and expiration dates must be strictly followed for accurate results.
Official drug label
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This information is for educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment.
This content is for general informational and educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Always seek the guidance of a qualified healthcare provider with any questions you have about a medical condition, and never disregard professional medical advice or delay seeking it because of something you read here.
If you think you may have a medical emergency, call your local emergency number or go to the nearest emergency department immediately.
Medically reviewed by WellAlly Editorial Team Last reviewed August 29, 2026. · Read our editorial policy