<prompt> One advantage of a live attenuated vaccine is?It does not produce persistent infectionsThe viral strain does not reve to virulent formsIt has an unlimited shelf lifeIt induces a wide spectrum of antibodies  <response>: An advantage of live attenuated vaccines is that they induce a wide spectrum of antibodies. Disadvantages include the possible production of persistent infections, reversion to highly virulent strains and a limited shelf life. 