Live Attenuated Influenza Vaccine

**Semantic type:** Chemical Viewed Functionally

**Definition:** A vaccine that contains live attenuated influenza virus (LAIV) particles. This vaccine is administered intranasally for influenza prophylaxis. Not all populations are good candidates for LAIV; the very young, elderly, asthmatics and those with health impaired may be better treated with the trivalent inactivated vaccine that is administered intramuscularly.

**Synonyms:** - Influenza Vaccine Live, Intranasal - LAIV - LAIV - Nasal Spray Flu Vaccine