Vaccine
टीका लगवाने से महामारी से बचाव होता है।
Vaccination helps prevent pandemics.
a preparation that is administered (usually by injection) to stimulate the body's immune response against a specific infectious agent, thereby preventing disease or reducing its severity
कोविड-19 वैक्सीन ने लाखों लोगों की जान बचाई।
The COVID-19 vaccine saved millions of lives.
Vaccines can be made from weakened or inactivated germs, or parts of germs, such as proteins.
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Pro Tip
Vaccine Types
Vaccines can be live-attenuated, inactivated, subunit, conjugate, or mRNA-based, each with different mechanisms of action.
Gold Rule
Vaccine Safety
Vaccines undergo rigorous testing for safety and efficacy before public use.
Word Origin
From Latin vaccinus, meaning 'pertaining to cows', from vacca 'cow', because the first vaccine was derived from cowpox.
Usage Notes
The term 'vaccine' is often used interchangeably with 'vaccination' in common speech, though they refer to the substance and the act of administering it, respectively.