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　　一??(yi)是??(shi)科??(ke)學(xué)??(xue)防??(fang)護(hù)??(hu)??，筑??(zhu)牢??(lao)免??(mian)疫??(yi)防??(fang)線??(xian)??。??如??(ru)按??(an)時(shí)??(shi)接??(jie)種??(zhong)流??(liu)感??(gan)疫??(yi)苗??(miao)、肺??(fei)炎?(yan)球?(qiu)菌??(jun)疫??(yi)苗??(miao)等??(deng)??，幫?(bang)助??(zhu)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)提??(ti)前??(qian)“記??(ji)住??(zhu)”敵??(di)人??(ren)特??(te)征??(zheng)??。再??(zai)如?(ru)遠(yuǎn)??(yuan)離??(li)過??(guo)敏??(min)原??(yuan)??，對??(dui)塵??(chen)螨??(man)、花??(hua)粉??(fen)過??(guo)敏?(min)者??(zhe)??，可??(ke)使??(shi)用?(yong)防?(fang)螨??(man)寢??(qin)具??(ju)、空??(kong)氣??(qi)凈??(jing)化??(hua)器??(qi)??。　　免?(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)發(fā)??(fa)育??(yu)如??(ru)同?(tong)建??(jian)造??(zao)一??(yi)座??(zuo)城??(cheng)堡??(bao)??，需??(xu)要??(yao)從??(cong)地??(di)基??(ji)開??(kai)始??(shi)逐??(zhu)步??(bu)完??(wan)善??(shan)??。??。