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　　免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)的??(de)核?(he)心?(xin)使??(shi)命??(ming)不??(bu)是??(shi)“消??(xiao)滅??(mie)一??(yi)切??(qie)”??，而??(er)是??(shi)識(shí)?(shi)別??(bie)敵?(di)我??(wo)、清?(qing)除??(chu)威??(wei)脅??(xie)??。??　　準(zhǔn)??(zhun)確??(que)來??(lai)說??(shuo)??，免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)需??(xu)要??(yao)的??(de)是??(shi)“精??(jing)準(zhǔn)??(zhun)調(diào)??(tiao)控??(kong)”??，而??(er)非??(fei)“盲??(mang)目??(mu)增?(zeng)強(qiáng)??(qiang)”??。??過??(guo)度??(du)激??(ji)活??(huo)的??(de)免?(mian)疫??(yi)反?(fan)應(yīng)??(ying)如??(ru)同??(tong)失??(shi)控??(kong)的??(de)軍?(jun)隊(duì)??(dui)??，不??(bu)僅??(jin)無??(wu)法??(fa)保??(bao)護(hù)??(hu)健??(jian)康?(kang)??，反?(fan)而??(er)會(huì)??(hui)引??(yin)發(fā)??(fa)內(nèi)??(nei)亂??(luan)??。。