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　　兒??(er)童??(tong)至??(zhi)青??(qing)少??(shao)年??(nian)期?(qi)(4～18歲??(sui))??，隨??(sui)著??(zhe)免??(mian)疫??(yi)系??(xi)統(tǒng)?(tong)逐??(zhu)漸??(jian)成??(cheng)熟??(shu)??，適??(shi)應(yīng)??(ying)性?(xing)免??(mian)疫??(yi)(T細(xì)??(xi)胞?(bao)、B細(xì)??(xi)胞??(bao))開??(kai)始??(shi)發(fā)??(fa)揮??(hui)主??(zhu)力??(li)作??(zuo)用??(yong)??，能??(neng)針??(zhen)對(duì)??(dui)病?(bing)原?(yuan)體??(ti)產(chǎn)??(chan)生?(sheng)特??(te)異??(yi)性??(xing)抗??(kang)體??(ti)??。??但??(dan)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)也??(ye)可??(ke)能??(neng)因??(yin)“經(jīng)??(jing)驗(yàn)??(yan)不??(bu)足?(zu)”而??(er)反??(fan)應(yīng)?(ying)過??(guo)度??(du)??，如??(ru)對(duì)?(dui)花??(hua)粉??(fen)、食??(shi)物??(wu)等??(deng)無??(wu)害??(hai)物??(wu)質(zhì)??(zhi)過??(guo)度??(du)反??(fan)應(yīng)?(ying)??，引??(yin)發(fā)??(fa)哮??(xiao)喘??(chuan)、濕??(shi)疹??(zhen)；如??(ru)接??(jie)觸?(chu)外??(wai)界??(jie)增?(zeng)多??(duo)??，易??(yi)感??(gan)染??(ran)手??(shou)足??(zu)口??(kou)病??(bing)、水??(shui)痘??(dou)等??(deng)傳??(chuan)染??(ran)病??(bing)??。　　這??(zhe)一??(yi)階??(jie)段??(duan)的??(de)維??(wei)護(hù)??(hu)重??(zhong)點(diǎn)??(dian)包??(bao)括??(kuo)：母??(mu)乳??(ru)喂??(wei)養(yǎng)??(yang)??，至??(zhi)少?(shao)純??(chun)母??(mu)乳?(ru)喂??(wei)養(yǎng)??(yang)6個(gè)??(ge)月??(yue)??，提??(ti)供??(gong)抗??(kang)體??(ti)和??(he)益??(yi)生??(sheng)菌??(jun)??，降??(jiang)低??(di)感??(gan)染??(ran)風(fēng)??(feng)險(xiǎn)??(xian)；按??(an)時(shí)??(shi)接?(jie)種??(zhong)百??(bai)白??(bai)破??(po)、脊??(ji)髓??(sui)灰??(hui)質(zhì)??(zhi)炎??(yan)等??(deng)基??(ji)礎(chǔ)??(chu)疫??(yi)苗??(miao)??，建??(jian)立??(li)免?(mian)疫??(yi)記??(ji)憶??(yi)；適??(shi)度??(du)“練??(lian)兵?(bing)”??，避??(bi)免?(mian)過??(guo)度??(du)消??(xiao)毒?(du)??，適??(shi)當(dāng)??(dang)接??(jie)觸??(chu)環(huán)?(huan)境??(jing)微??(wei)生??(sheng)物??(wu)(如??(ru)戶??(hu)外??(wai)活??(huo)動(dòng)?(dong))??，促??(cu)進(jìn)?(jin)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)發(fā)?(fa)育??(yu)?。??QLZHUYMGRXqibao666888　　er ??(er)tong ??(tong)zhi ??(zhi)qing ??(qing)shao ??(shao)nian ??(nian)qi ?(qi)(4～18sui ??(sui))??，sui ??(sui)zhe ??(zhe)mian ??(mian)yi ??(yi)xi ??(xi)tong ?(tong)zhu ??(zhu)jian ??(jian)cheng ??(cheng)shu ??(shu)??，shi ??(shi)ying ??(ying)xing ?(xing)mian ??(mian)yi ??(yi)(Txi ??(xi)bao ?(bao)、Bxi ??(xi)bao ??(bao))kai ??(kai)shi ??(shi)fa ??(fa)hui ??(hui)zhu ??(zhu)li ??(li)zuo ??(zuo)yong ??(yong)??，neng ??(neng)zhen ??(zhen)dui ??(dui)bing ?(bing)yuan ?(yuan)ti ??(ti)chan ??(chan)sheng ?(sheng)te ??(te)yi ??(yi)xing ??(xing)kang ??(kang)ti ??(ti)??。??dan ??(dan)mian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)ye ??(ye)ke ??(ke)neng ??(neng)yin ??(yin)“jing ??(jing)yan ??(yan)bu ??(bu)zu ?(zu)”er ??(er)fan ??(fan)ying ?(ying)guo ??(guo)du ??(du)??，ru ??(ru)dui ?(dui)hua ??(hua)fen ??(fen)、shi ??(shi)wu ??(wu)deng ??(deng)wu ??(wu)hai ??(hai)wu ??(wu)zhi ??(zhi)guo ??(guo)du ??(du)fan ??(fan)ying ?(ying)??，yin ??(yin)fa ??(fa)xiao ??(xiao)chuan ??(chuan)、shi ??(shi)zhen ??(zhen)；ru ??(ru)jie ??(jie)chu ?(chu)wai ??(wai)jie ??(jie)zeng ?(zeng)duo ??(duo)??，yi ??(yi)gan ??(gan)ran ??(ran)shou ??(shou)zu ??(zu)kou ??(kou)bing ??(bing)、shui ??(shui)dou ??(dou)deng ??(deng)chuan ??(chuan)ran ??(ran)bing ??(bing)???！　he ??(zhe)yi ??(yi)jie ??(jie)duan ??(duan)de ??(de)wei ??(wei)hu ??(hu)zhong ??(zhong)dian ??(dian)bao ??(bao)kuo ??(kuo)：mu ??(mu)ru ??(ru)wei ??(wei)yang ??(yang)??，zhi ??(zhi)shao ?(shao)chun ??(chun)mu ??(mu)ru ?(ru)wei ??(wei)yang ??(yang)6ge ??(ge)yue ??(yue)??，ti ??(ti)gong ??(gong)kang ??(kang)ti ??(ti)he ??(he)yi ??(yi)sheng ??(sheng)jun ??(jun)??，jiang ??(jiang)di ??(di)gan ??(gan)ran ??(ran)feng ??(feng)xian ??(xian)；an ??(an)shi ??(shi)jie ?(jie)zhong ??(zhong)bai ??(bai)bai ??(bai)po ??(po)、ji ??(ji)sui ??(sui)hui ??(hui)zhi ??(zhi)yan ??(yan)deng ??(deng)ji ??(ji)chu ??(chu)yi ??(yi)miao ??(miao)??，jian ??(jian)li ??(li)mian ?(mian)yi ??(yi)ji ??(ji)yi ??(yi)；shi ??(shi)du ??(du)“l(fā)ian ??(lian)bing ?(bing)”??，bi ??(bi)mian ?(mian)guo ??(guo)du ??(du)xiao ??(xiao)du ?(du)??，shi ??(shi)dang ??(dang)jie ??(jie)chu ??(chu)huan ?(huan)jing ??(jing)wei ??(wei)sheng ??(sheng)wu ??(wu)(ru ??(ru)hu ??(hu)wai ??(wai)huo ??(huo)dong ?(dong))??，cu ??(cu)jin ?(jin)mian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)fa ?(fa)yu ??(yu)?。??