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　　動??(dong)態(tài)??(tai)平??(ping)衡??(heng)??，免??(mian)疫??(yi)系?(xi)統(tǒng)??(tong)的?(de)“終??(zhong)生??(sheng)任??(ren)務??(wu)”　　老??(lao)年??(nian)期??(qi)免??(mian)疫??(yi)系??(xi)統(tǒng)??(tong)如??(ru)同??(tong)“老??(lao)兵??(bing)”??，經??(jing)驗??(yan)豐??(feng)富??(fu)但??(dan)機??(ji)能??(neng)衰??(shuai)退?(tui)??，需??(xu)針??(zhen)對?(dui)性??(xing)維?(wei)護??(hu)以??(yi)降??(jiang)低??(di)重??(zhong)癥?(zheng)風??(feng)險??(xian)??。??這??(zhe)一??(yi)時??(shi)期??(qi)的??(de)免??(mian)疫??(yi)特??(te)點??(dian)??，一??(yi)是??(shi)T細??(xi)胞??(bao)功??(gong)能??(neng)退??(tui)化??(hua)??，記??(ji)憶??(yi)T細??(xi)胞??(bao)主??(zhu)導??(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??(zhi)量??(liang)降??(jiang)低??(di)??，疫??(yi)苗??(miao)應??(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??(guan)疾??(ji)病??(bing)發(fā)??(fa)病??(bing)風??(feng)險??(xian)上??(shang)升?(sheng)：免?(mian)疫??(yi)監(jiān)??(jian)視??(shi)功??(gong)能??(neng)減??(jian)弱??(ruo)??，無??(wu)法?(fa)及??(ji)時??(shi)清??(qing)除??(chu)突??(tu)變??(bian)細??(xi)胞??(bao)??。DBYSARWENKqibao666888　　dong ??(dong)tai ??(tai)ping ??(ping)heng ??(heng)??，mian ??(mian)yi ??(yi)xi ?(xi)tong ??(tong)de ?(de)“zhong ??(zhong)sheng ??(sheng)ren ??(ren)wu ??(wu)”　　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)??。