English Dictionary

vaccine

noun

(immunology) A substance given to stimulate the body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment, prepared from the agent that causes the disease (or a related, also effective, but safer disease), or a synthetic substitute.

The vaccine has been proven to be effective against the virus.

意味（1）

(immunology) A substance given to stimulate the body's production of antibodies and provide immunity against a disease without causing the disease itself in the treatment, prepared from the agent that causes the disease (or a related, also effective, but safer disease), or a synthetic substitute.

意味（2）

The process of vaccination.

My dog has had two vaccines this year.