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學(xué)習(xí)快評(píng)丨qibao666888　　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(guò)??(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)??。??　　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(kāi)??(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(guò)??(guo)度??(du)??，如??(ru)對(duì)??(dui)花??(hua)粉??(fen)、食??(shi)物??(wu)等??(deng)無(wú)?(wu)害??(hai)物??(wu)質(zhì)??(zhi)過(guò)??(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)??。。