why is it important to use a weakened virus in a vaccine
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1
Answer:
Because the virus is still "seen" by the body, cells of the immune system that protect against disease are generated. There are two benefits to this approach: The vaccine cannot cause even a mild form of the disease that it prevents. The vaccine can be given to people with weakened immune systems.
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10
Answer:
because it helps our body to make antibodies against that injected weakened virus
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