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vaccine
/vækˈsiːn/
noun
aşı
A substance used to stimulate immunity against a disease, typically containing a weakened or killed form of the microbe.
- Children receive vaccines to prevent diseases.
- The vaccine was developed in record time.
- She got her flu vaccine last month.
- Public health campaigns emphasize that widespread vaccine adoption creates herd immunity, protecting vulnerable individuals who cannot receive immunizations for medical reasons.
- Biotechnology companies invested billions in developing an mRNA vaccine platform that can be rapidly adapted to target emerging infectious diseases.
- Historical analysis shows that vaccine hesitancy has existed since the eighteenth century, often reflecting broader societal anxieties about medical authority.