目的了解无细胞百白破混合制剂（新DPT）的接种反应情况。
Objective In order to understand the vaccination reaction of new type DPT.
预防接种异常反应；后遗症；危险性。
不愿意接种的原因主要为担心不良反应和费用问题。
The major barriers were concerning about side effects and cost.
不愿意接种的原因主要为担心不良反应和费用问题。
The major barriers were concerning about side effects and cost.
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