4个月婴儿,昨日种了百白破混合疫苗,今日有轻度发热,稍哭吵不安,查:体温38.2℃(肛表)右上臂外侧注射部位有轻微红肿。咽不充血,心肺无异常发现,下列哪项处理最恰当
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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