Biology, asked by soloFighter, 5 months ago

how are vaccins usful to us? ​

Answers

Answered by vjyoti2020
4

Explanation:

Vaccines contain a microorganism or virus in a weakened, live or killed state, or proteins or toxins from the organism. In stimulating the body's adaptive immunity, they help prevent sickness from an infectious disease. When a sufficiently large percentage of a population has been vaccinated, herd immunity results.

Answered by lovely6758
1

Answer: vaccine produces immunity to a disease by stimulating the production of antibodies. Vaccines are suspensions of killed or weakened microorganisms. which kills the bacteria or viruses which entered the body.

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