what are the sources of vaccines? plss i will mark u as brainliest
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Answer:
Vaccines are made of dead or weakened cells of the bacteria.The body produces antibodies to fight them off and thus they remain in the body.The body is then said to be immune against the disease
ishan9636:
you were thinking that i will mark u as brainliest answer ha u duffer
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Answer:Live-attenuated vaccines
Measles, mumps, rubella (MMR combined vaccine)
Rotavirus.
Smallpox.
Chickenpox.
Yellow fever.
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