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A vaccine is a biological preparation that provides active acquired immunity to a particular infectious disease.
वैक्सीन लगवाने से कई बीमारियों से बचा जा सकता है
Getting vaccinated can protect against many diseases.
The word 'vaccine' comes from the Latin 'vaccinus', meaning 'of or pertaining to cows', as the first vaccine was developed from cowpox.
The term 'vaccine' is often used generically, though technically it refers to the specific preparation used to immunize against a disease.