boyen2
boyen2
21-12-2017
Biology
contestada
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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