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　　老??(lao)年??(nian)期??(qi)免??(mian)疫??(yi)系?(xi)統(tǒng)??(tong)如??(ru)同??(tong)“老??(lao)兵??(bing)”??，經(jīng)??(jing)驗(yàn)?(yan)豐??(feng)富??(fu)但??(dan)機(jī)??(ji)能?(neng)衰??(shuai)退??(tui)??，需??(xu)針??(zhen)對(duì)??(dui)性??(xing)維??(wei)護(hù)??(hu)以??(yi)降??(jiang)低??(di)重??(zhong)癥??(zheng)風(fēng)??(feng)險(xiǎn)??(xian)??。??這??(zhe)一?(yi)時(shí)??(shi)期??(qi)的??(de)免?(mian)疫?(yi)特??(te)點(diǎn)??(dian)??，一??(yi)是?(shi)T細(xì)??(xi)胞??(bao)功??(gong)能??(neng)退??(tui)化??(hua)??，記?(ji)憶??(yi)T細(xì)??(xi)胞??(bao)主?(zhu)導(dǎo)??(dao)??，但??(dan)清??(qing)除??(chu)病??(bing)原??(yuan)體??(ti)能??(neng)力??(li)下??(xia)降?(jiang)；二??(er)是??(shi)抗??(kang)體??(ti)質(zhì)??(zhi)量?(liang)降??(jiang)低??(di)??，疫??(yi)苗??(miao)應(yīng)??(ying)答??(da)減??(jian)弱??(ruo)??，感?(gan)染?(ran)(如??(ru)肺?(fei)炎??(yan)、帶??(dai)狀??(zhuang)皰??(pao)疹??(zhen))易??(yi)重??(zhong)癥??(zheng)化??(hua)；三??(san)是??(shi)衰??(shuai)老??(lao)相??(xiang)關(guān)??(guan)疾??(ji)病?(bing)發(fā)??(fa)病??(bing)風(fēng)??(feng)險(xiǎn)?(xian)上??(shang)升??(sheng)：免??(mian)疫??(yi)監(jiān)??(jian)視??(shi)功??(gong)能??(neng)減??(jian)弱??(ruo)??，無(wú)??(wu)法??(fa)及??(ji)時(shí)??(shi)清??(qing)除??(chu)突??(tu)變??(bian)細(xì)??(xi)胞??(bao)??。　　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)??。??AOTMBOPHFNqibao666888　　lao ??(lao)nian ??(nian)qi ??(qi)mian ??(mian)yi ??(yi)xi ?(xi)tong ??(tong)ru ??(ru)tong ??(tong)“l(fā)ao ??(lao)bing ??(bing)”??，jing ??(jing)yan ?(yan)feng ??(feng)fu ??(fu)dan ??(dan)ji ??(ji)neng ?(neng)shuai ??(shuai)tui ??(tui)??，xu ??(xu)zhen ??(zhen)dui ??(dui)xing ??(xing)wei ??(wei)hu ??(hu)yi ??(yi)jiang ??(jiang)di ??(di)zhong ??(zhong)zheng ??(zheng)feng ??(feng)xian ??(xian)??。??zhe ??(zhe)yi ?(yi)shi ??(shi)qi ??(qi)de ??(de)mian ?(mian)yi ?(yi)te ??(te)dian ??(dian)??，yi ??(yi)shi ?(shi)Txi ??(xi)bao ??(bao)gong ??(gong)neng ??(neng)tui ??(tui)hua ??(hua)??，ji ?(ji)yi ??(yi)Txi ??(xi)bao ??(bao)zhu ?(zhu)dao ??(dao)??，dan ??(dan)qing ??(qing)chu ??(chu)bing ??(bing)yuan ??(yuan)ti ??(ti)neng ??(neng)li ??(li)xia ??(xia)jiang ?(jiang)；er ??(er)shi ??(shi)kang ??(kang)ti ??(ti)zhi ??(zhi)liang ?(liang)jiang ??(jiang)di ??(di)??，yi ??(yi)miao ??(miao)ying ??(ying)da ??(da)jian ??(jian)ruo ??(ruo)??，gan ?(gan)ran ?(ran)(ru ??(ru)fei ?(fei)yan ??(yan)、dai ??(dai)zhuang ??(zhuang)pao ??(pao)zhen ??(zhen))yi ??(yi)zhong ??(zhong)zheng ??(zheng)hua ??(hua)；san ??(san)shi ??(shi)shuai ??(shuai)lao ??(lao)xiang ??(xiang)guan ??(guan)ji ??(ji)bing ?(bing)fa ??(fa)bing ??(bing)feng ??(feng)xian ?(xian)shang ??(shang)sheng ??(sheng)：mian ??(mian)yi ??(yi)jian ??(jian)shi ??(shi)gong ??(gong)neng ??(neng)jian ??(jian)ruo ??(ruo)??，wu ??(wu)fa ??(fa)ji ??(ji)shi ??(shi)qing ??(qing)chu ??(chu)tu ??(tu)bian ??(bian)xi ??(xi)bao ??(bao)???！　ian ??(mian)yi ??(yi)xi ??(xi)tong ??(tong)de ??(de)he ??(he)xin ??(xin)shi ??(shi)ming ??(ming)bu ??(bu)shi ??(shi)“xiao ??(xiao)mie ??(mie)yi ??(yi)qie ??(qie)”??，er ??(er)shi ??(shi)shi ??(shi)bie ??(bie)di ??(di)wo ??(wo)、qing ??(qing)chu ??(chu)wei ??(wei)xie ??(xie)??。??