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live attenuated vaccine

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live attenuated vaccine,
a vaccine prepared from live microorganisms or functional viruses whose disease-producing ability has been weakened but whose immunogenic properties have not.

live attenuated vaccine
A vaccine that induces an immune response, which more closely resembles that of a natural infection, than that elicited by killed vaccines, as the organisms contained therein actively reproduce until held in check by the recipient's own antibodies, thus often conferring life-long immunity Examples Measles, mumps, polio, rubella. See Killed vaccine.


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About Rotarix Rotarix[R] is an oral, two-dose, live attenuated vaccine against rotavirus disease in infants that was licensed in 1997 by AVANT Immunotherapeutics to GSK for worldwide commercialization.
Nevertheless, some scientists haven't given up on a live attenuated vaccine.
Greenberg, who was involved in the pre-licensing phases of FluMist while on a leave of absence from Stanford, is also co-director of a large study at Stanford comparing the live attenuated vaccine delivered in the nose against its injected, inactivated counterpart.
 
 
 
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