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yulyashka [42]
3 years ago
9

Hello.................................................,.....what's a vaccine.thankyou​

Biology
1 answer:
cestrela7 [59]3 years ago
8 0

A vaccine is a medical material that mimics the pathogen, but in a harmless way. When our body's immune fights it off, it remembers how to fight the real pathogen when it enters our body. So, it protects us from diseases.

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