This does not affect the viruses infectivity, invokes a natural immune response and there is no chance that they will regain their virulence function, which can occur with some other vaccines.
Awen waritiwid aɣašad wan virustan , idalam aliɣi ən immunitaire imanes əd wartila wala iyan asibab ye adigriwan əšiɣil nasan wa virustan, awa adoben aragu dər iyad niyad ənuzmay.