# FluMist (Influenza Vaccine Live Intranasal) by MedImmune, LLC: new vaccine listing

**Launch Signal Score:** 70/100

| Field | Value |
|---|---|
| Product | FluMist |
| Generic name | Influenza Vaccine Live Intranasal |
| NDC | 66019-113 |
| Labeler | MedImmune, LLC |
| Product type | VACCINE |
| Approval pathway | BLA |
| Application number | BLA125020 |
| Dosage form | SPRAY |
| Route | NASAL |
| Active ingredients | INFLUENZA A VIRUS A/SWITZERLAND/6849/2025 (H1N1) LIVE (ATTENUATED) ANTIGEN 10000000 [FFU]/.2mL; INFLUENZA A VIRUS A/DARWIN/1369/2025 (H3N2) LIVE (ATTENUATED) ANTIGEN 10000000 [FFU]/.2mL; INFLUENZA B VIRUS B/PERTH/115/2025 LIVE (ATTENUATED) ANTIGEN 10000000 [FFU]/.2mL |
| Marketing start | 2026-07-22 |
| Package configurations | 2 |

## Why this score
- Prescription or biologic product.
- Brand or biologic launch.

Source: U.S. FDA National Drug Code (NDC) Directory via openFDA (https://dailymed.nlm.nih.gov/dailymed/search.cfm?labeltype=all&query=66019-113). Last refreshed: 2026-11-03T18:09:00.764Z.
Listing data comes from the FDA NDC directory via openFDA; a listing is not an FDA approval or endorsement and may be updated or withdrawn. Informational only; not medical advice.