what is vaccine why is vaccination necessary for children list the name of some important vaccine
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Vaccines are dead or dormant bacteria which are injected in the bodies to provide immunity against some diseases. The injected bacteria turn active when present in the body and provides resistance against harmful bacteria.The common vaccines are TT , MMR etc.
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A vaccine ia a biological preparation that provides active acquired immunity to a particular disease.
A vaccine typically contains an agent that resembles a disease causing microorganism and is often made from killed forms of microbe.
A vaccine typically contains an agent that resembles a disease causing microorganism and is often made from killed forms of microbe.
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