麻疹是高度传染性的病毒，通过咳嗽、喷嚏、与病人密切接触或直接接触感染鼻咽分泌物而传播。
The highly contagious virus is spread by coughing and sneezing, close personal contact or direct contact with infected nasal or throat secretions.
目的探讨呼吸道合胞病毒（RSV）毛细支气管炎（毛支）患儿急性期鼻咽分泌物（NS）IL-2水平的改变及其临床意义。
Objective To investigate the interleukin-2(IL-2) concentrations in nasopharyngeal secretion(NS)of children with(acute) respiratory syncytial virus(RSV) bronchitis and clinical value.
在过去的半个世纪里，胎头娩出后的产科医生的第一个动作就是用橡皮吸球吸新生儿的口腔鼻咽，以防那儿的分泌物干扰新生儿的初次呼吸。 最近专家们建议停止这一操作。
During the past half century, the first action an OB took after delivering the fetal head was to perform oronasopharyngeal suctioning, using a bulb or DeLee device.
在过去的半个世纪里，胎头娩出后的产科医生的第一个动作就是用橡皮吸球吸新生儿的口腔鼻咽，以防那儿的分泌物干扰新生儿的初次呼吸。 最近专家们建议停止这一操作。
During the past half century, the first action an OB took after delivering the fetal head was to perform oronasopharyngeal suctioning, using a bulb or DeLee device.
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