Biology, 23.07.2019 22:30 dangolstein03
Which statement most closely describes how the polio vaccine works? a) it allows the blood to filter out the disease-causing agent. b) it prevents the disease-causing agent from entering the body. c) it attacks the disease-causing agent as soon as it enters the body. d) it triggers the immune system to produce antibodies to fight the disease-causing agent.
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Which statement most closely describes how the polio vaccine works? a) it allows the blood to filte...
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