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. In June 2016, the Centers for Disease Control and Prevention (CDC) stopped recommending the use of LAIV as its effectiveness had appeared to have decreased between 2013 and 2016, but this recommendation was reversed in February 2018, for the 2018-2019 influenza season.
It is an attenuated vaccine, unlike most influenza vaccines, which are inactivated vaccines. LAIV is administered intranasally, while inactivated vaccines are administered by intramuscular injection. LAIV is sold under the brand name FluMist Quadrivalent in the United States and the brand name Fluenz Tetra in the European Union. FluMist was first introduced in 2003 by MedImmune.
referenceFull Form | Category |
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Low Adult Immunity to Varicella | General |
Light Aerial Insertion Vehicle | Governmental |
Live Attenuated Influenza Vaccine | Medical |
Live, Attenuated Influenza Vaccine (Nasal Spray) | Medical |
Live Attenuated Influenza Virus | Medical |
Live Attenuated Influenza Vaccines | Medical |
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