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　　嬰??(ying)幼??(you)兒??(er)期?(qi)(0～3歲??(sui))??，新??(xin)生?(sheng)兒??(er)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)像?(xiang)一?(yi)支??(zhi)未??(wei)經(jīng)??(jing)實(shí)?(shi)戰(zhàn)??(zhan)的??(de)“新??(xin)兵??(bing)部??(bu)隊(duì)??(dui)”??，先??(xian)天??(tian)性??(xing)免??(mian)疫??(yi)(如??(ru)中??(zhong)性??(xing)粒??(li)細(xì)??(xi)胞??(bao)、巨??(ju)噬??(shi)細(xì)??(xi)胞??(bao))活?(huo)性?(xing)高??(gao)??，但??(dan)皮??(pi)膚??(fu)、黏?(nian)膜??(mo)屏??(ping)障??(zhang)薄??(bo)弱??(ruo)??，易??(yi)受??(shou)病??(bing)毒??(du)(如?(ru)呼??(hu)吸??(xi)道??(dao)合??(he)胞?(bao)病??(bing)毒??(du)、輪??(lun)狀??(zhuang)病??(bing)毒??(du))侵??(qin)襲??(xi)??。?此??(ci)時(shí)??(shi)主??(zhu)要??(yao)依??(yi)賴??(lai)母??(mu)體??(ti)通?(tong)過??(guo)胎??(tai)盤??(pan)和??(he)母?(mu)乳??(ru)傳??(chuan)遞??(di)的??(de)抗??(kang)體??(ti)(如??(ru)IgG、IgA)提??(ti)供??(gong)保?(bao)護(hù)??(hu)???！　?作??(zuo)者??(zhe)：潘??(pan)新??(xin)??，系??(xi)上??(shang)海??(hai)中??(zhong)醫(yī)??(yi)藥??(yao)大??(da)學(xué)??(xue)附?(fu)屬??(shu)曙??(shu)光??(guang)醫(yī)??(yi)院??(yuan)風(fēng)??(feng)濕??(shi)病??(bing)科??(ke)主??(zhu)任??(ren)、主??(zhu)任??(ren)醫(yī)??(yi)師??(shi))EFGAJQRLFCqibao666888　　ying ??(ying)you ??(you)er ??(er)qi ?(qi)(0～3sui ??(sui))??，xin ??(xin)sheng ?(sheng)er ??(er)mian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)xiang ?(xiang)yi ?(yi)zhi ??(zhi)wei ??(wei)jing ??(jing)shi ?(shi)zhan ??(zhan)de ??(de)“xin ??(xin)bing ??(bing)bu ??(bu)dui ??(dui)”??，xian ??(xian)tian ??(tian)xing ??(xing)mian ??(mian)yi ??(yi)(ru ??(ru)zhong ??(zhong)xing ??(xing)li ??(li)xi ??(xi)bao ??(bao)、ju ??(ju)shi ??(shi)xi ??(xi)bao ??(bao))huo ?(huo)xing ?(xing)gao ??(gao)??，dan ??(dan)pi ??(pi)fu ??(fu)、nian ?(nian)mo ??(mo)ping ??(ping)zhang ??(zhang)bo ??(bo)ruo ??(ruo)??，yi ??(yi)shou ??(shou)bing ??(bing)du ??(du)(ru ?(ru)hu ??(hu)xi ??(xi)dao ??(dao)he ??(he)bao ?(bao)bing ??(bing)du ??(du)、lun ??(lun)zhuang ??(zhuang)bing ??(bing)du ??(du))qin ??(qin)xi ??(xi)??。?ci ??(ci)shi ??(shi)zhu ??(zhu)yao ??(yao)yi ??(yi)lai ??(lai)mu ??(mu)ti ??(ti)tong ?(tong)guo ??(guo)tai ??(tai)pan ??(pan)he ??(he)mu ?(mu)ru ??(ru)chuan ??(chuan)di ??(di)de ??(de)kang ??(kang)ti ??(ti)(ru ??(ru)IgG、IgA)ti ??(ti)gong ??(gong)bao ?(bao)hu ??(hu)??。　　(zuo ??(zuo)zhe ??(zhe)：pan ??(pan)xin ??(xin)??，xi ??(xi)shang ??(shang)hai ??(hai)zhong ??(zhong)yi ??(yi)yao ??(yao)da ??(da)xue ??(xue)fu ?(fu)shu ??(shu)shu ??(shu)guang ??(guang)yi ??(yi)yuan ??(yuan)feng ??(feng)shi ??(shi)bing ??(bing)ke ??(ke)zhu ??(zhu)ren ??(ren)、zhu ??(zhu)ren ??(ren)yi ??(yi)shi ??(shi))