A 2-month-old infant is brought to the pediatric clinic for routine immunizations. The mother asks the nurse about expected reactions after the vaccines. Which response by the nurse is most appropriate?

• 1 Low-grade fever and mild irritability are common reactions that typically resolve within 24-48 hours ✓ 정답
• 2 Any fever after vaccination indicates a serious allergic reaction and requires immediate medical attention.
• 3 Redness and swelling at the injection site means the vaccine was contaminated and should be reported
• 4 The infant should receive acetaminophen before vaccination to prevent all possible reactions

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