Vaccine

A small dose of an illness that helps your body develop a better immune system.

I just got my Covid-19 vaccine today, so I am not feeling my best.

Vaccine

I didn't need it.

Hym "I didn't take the vaccine. Got sick. Was fine. Didn't need it."

Vaccine

A substance used to stimulate the production of antibodies and provide immunity against one or several diseases, prepared from the causative agent of a disease, its products, or a synthetic substitute, treated to act as an antigen without inducing the disease.

''The vaccine against the flu''