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An attenuated vaccine (or a live attenuated vaccine, LAV) is a vaccine created by reducing the virulence of a pathogen, but still keeping it viable (or "live"). [1] Attenuation takes an infectious agent and alters it so that it becomes harmless or less virulent. [2] These vaccines contrast to those produced by "killing" the pathogen ...
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. [ 2 ] [ 7 ] It is an attenuated live vaccine, unlike other influenza vaccines, which are inactivated vaccines .
A live vaccine is a vaccine with active microbe (virus or bacteria), meant to proliferate in the person to vaccine. Pages in category "Live vaccines" The following 24 pages are in this category, out of 24 total.
How does the new home flu vaccine work? FluMist is a live attenuated flu vaccine, which means it uses a weakened version of the flu. (The flu shot, on the other hand, does not use a live version ...
For example, people between ages 2 and 17 who are taking aspirin shouldn’t take FluMist or other live-attenuated vaccines because the combination has been linked to greater risks of a rare but ...
The FluMist vaccine is a live attenuated vaccine (meaning, it’s a weakened form of the virus) and it’s approved for use in healthy, non-pregnant people ages 2 through 49.
This form of vaccine combines the beneficial features of attenuated and recombinant vaccines, providing the long-lasting immunity of attenuated vaccines’ with recombinant vaccines’ genetically engineered precision and safety. [2] Live recombinant vaccines can be administered via orally or nasally, instead of injection.
Researchers can often design mRNA vaccines more quickly than they can produce the live or weakened pathogens needed for a live-attenuated or inactivated vaccine. PHOTO: Avian influenza or bird flu.