Define vaccine ?

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Posted by Mukul Kalal 5 years ago
- 5 answers
Nitin Tripathi 5 years ago
Suraj Yadav 5 years ago
World Wide Handsome💜 5 years ago
Yogita Ingle 5 years ago
A vaccine is an antigenic substance that develops immunity against a disease which can be delivered through needle injections or by mouth or by aerosol.
Vaccination is the injection of a dead or weakened organism that forms immunity against that organism in the body.
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Mukul Kalal 5 years ago
0Thank You