Live attenuated influenza vaccine
Nurse administering the FluMist product | |
| Vaccine description | |
|---|---|
| Target | Influenza |
| Vaccine type | Attenuated |
| Clinical data | |
| Trade names | Flumist, Flumist Quadrivalent, Fluenz Tetra |
| AHFS/Drugs.com | Monograph |
| License data | |
| Routes of administration | Intranasal |
| ATC code | |
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Live attenuated influenza vaccine (LAIV) is a type of influenza vaccine in the form of a nasal spray that is recommended for the prevention of influenza.
It is an attenuated live vaccine, unlike other influenza vaccines, which are inactivated vaccines. Live attenuated influenza vaccine is administered intranasally, while inactivated vaccines are administered by intramuscular injection. Live attenuated influenza vaccine is sold under the brand names FluMist and FluMist Quadrivalent in the United States; and the brand name Fluenz Tetra in the European Union. FluMist was first introduced in 2003 by MedImmune.
In the United States, FluMist is approved for self- or caregiver-administration. It is the first influenza vaccine that does not need to be administered by a health care provider.