21-12-2017
Biology

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What are vaccines made from

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ReaganToby ReaganToby

21-12-2017

Vaccines and shots are typically made of a small controlled portion of the virus or disease to cause immunity to the large scale types.

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AnimeBrainly AnimeBrainly

21-12-2017

Vaccines are usually made from small amounts of weakened or dead viruses.

hope this helps

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