Question

effects of vaccination against polio​

Answer 1

Answer:

The main serious side effect associated with the polio vaccine is an allergic reaction, though this is very rare. The Centers for Disease Control and Prevention estimates that about 1 in 1 million doses causes an allergic reaction

Answer 2

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The main serious side effect associated with the polio vaccine is an allergic reaction, though this is very rare. The Centers for Disease Control and Prevention estimates that about 1 in 1 million doses causes an allergic reaction.