Vaccine

/væksˈiːn/

/ˌvækˈsin/

Vaccine

a substance, often administered through needle injections, that stimulates the body's immune response against harmful diseases

synonyms : vaccinum

Examples

1. The hospital gives free vaccines to children.

2. These people were working day and night to develop a vaccine.

3. The inadequate supplies of vaccine left many people high and dry when the flu season arrived.

4. Top executives at pandemic juggernauts Pfizer and Moderna are at odds on the need for a fourth COVID-19 vaccine dose.