noun

vaccine

vaccine, jab

Scientists developed a new vaccine.

Scientists developed a new vaccine.

The vaccine provides protection from the virus.

The vaccine provides protection from the virus.

a vaccine for/against sth. a substance to protect against a disease They are working on a vaccine for the disease.

Synonyms: immunisation, shot, inoculation, jab

From Latin 'vaccinus' meaning 'from a cow', related to 'vacca' (cow), because the first vaccine used the cowpox virus.

The vaccine is the actual substance that is injected, not the action itself.

This page is designed for learning support. Please use it as a learning reference, not as a formal reference.