An attenuated vaccine is developed by reducing the virulence of the pathogen, which remains replication-competent after administration. Basically, the ...

An attenuated vaccine is a vaccine developed by reducing the virulence of the pathogen; it remains replication-competent after administration.

16 апр. 2021 г. · Live-attenuated vaccines are very effective vaccines used in the prevention of a variety of diseases including influenza, chickenpox, measles, polio and TB.

22 дек. 2022 г. · Live vaccines use a weakened (or attenuated) form of the germ that causes a disease. Because these vaccines are so similar to the natural ...

An attenuated vaccine is a vaccine that contains live infectious microorganisms such as bacteria or a virus that has been weakened.

Live-attenuated vaccines contain live pathogens from either a bacteria or a virus that have been "attenuated," or weakened. According to Dr. Scully, live- ...

Vaccines are made using several processes. They may contain live viruses that have been attenuated (weakened or altered to not cause illness); inactivated or ...

Weakened, or attenuated, vaccines consist of microorganisms that have lost the ability to cause serious illness but retain the ability to stimulate immunity.

A disease-causing virus or bacterium that is weakened in a laboratory so it cannot cause disease. Live attenuated viruses are often used as vaccines.