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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??(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)???！　細??(xi)胞??(bao)的??(de)角??(jiao)色??(se)則??(ze)是??(shi)指??(zhi)揮??(hui)、“殺??(sha)敵??(di)”與??(yu)“維??(wei)穩(wěn)??(wen)”??。??比??(bi)如?(ru)輔??(fu)助??(zhu)T細??(xi)胞??(bao)??，扮??(ban)演??(yan)著??(zhe)“指??(zhi)揮??(hui)官??(guan)”角??(jiao)色??(se)??，通??(tong)過??(guo)釋??(shi)放??(fang)細?(xi)胞??(bao)因??(yin)子?(zi)??，激??(ji)活??(huo)B細??(xi)胞??(bao)和??(he)其??(qi)他??(ta)免??(mian)疫??(yi)細?(xi)胞??(bao)；細??(xi)胞??(bao)毒??(du)性??(xing)T細??(xi)胞??(bao)??，扮??(ban)演??(yan)著?(zhe)“殺??(sha)手??(shou)”角??(jiao)色??(se)??，直??(zhi)接??(jie)穿??(chuan)透??(tou)感??(gan)染??(ran)細??(xi)胞??(bao)??，注?(zhu)入?(ru)毒?(du)素??(su)將??(jiang)其??(qi)摧??(cui)毀?(hui)；調?(tiao)節(jié)??(jie)T細??(xi)胞??(bao)??，扮??(ban)演??(yan)著??(zhe)“維??(wei)穩(wěn)??(wen)員??(yuan)”角??(jiao)色??(se)??，防??(fang)止??(zhi)免??(mian)疫??(yi)反??(fan)應??(ying)過??(guo)度??(du)??，避??(bi)免??(mian)誤??(wu)傷??(shang)健??(jian)康??(kang)組??(zu)織??(zhi)??。VNQVJZHQPHqibao666888　　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)??。　　Txi ??(xi)bao ??(bao)de ??(de)jiao ??(jiao)se ??(se)ze ??(ze)shi ??(shi)zhi ??(zhi)hui ??(hui)、“sha ??(sha)di ??(di)”yu ??(yu)“wei ??(wei)wen ??(wen)”??。??bi ??(bi)ru ?(ru)fu ??(fu)zhu ??(zhu)Txi ??(xi)bao ??(bao)??，ban ??(ban)yan ??(yan)zhe ??(zhe)“zhi ??(zhi)hui ??(hui)guan ??(guan)”jiao ??(jiao)se ??(se)??，tong ??(tong)guo ??(guo)shi ??(shi)fang ??(fang)xi ?(xi)bao ??(bao)yin ??(yin)zi ?(zi)??，ji ??(ji)huo ??(huo)Bxi ??(xi)bao ??(bao)he ??(he)qi ??(qi)ta ??(ta)mian ??(mian)yi ??(yi)xi ?(xi)bao ??(bao)；xi ??(xi)bao ??(bao)du ??(du)xing ??(xing)Txi ??(xi)bao ??(bao)??，ban ??(ban)yan ??(yan)zhe ?(zhe)“sha ??(sha)shou ??(shou)”jiao ??(jiao)se ??(se)??，zhi ??(zhi)jie ??(jie)chuan ??(chuan)tou ??(tou)gan ??(gan)ran ??(ran)xi ??(xi)bao ??(bao)??，zhu ?(zhu)ru ?(ru)du ?(du)su ??(su)jiang ??(jiang)qi ??(qi)cui ??(cui)hui ?(hui)；tiao ?(tiao)jie ??(jie)Txi ??(xi)bao ??(bao)??，ban ??(ban)yan ??(yan)zhe ??(zhe)“wei ??(wei)wen ??(wen)yuan ??(yuan)”jiao ??(jiao)se ??(se)??，fang ??(fang)zhi ??(zhi)mian ??(mian)yi ??(yi)fan ??(fan)ying ??(ying)guo ??(guo)du ??(du)??，bi ??(bi)mian ??(mian)wu ??(wu)shang ??(shang)jian ??(jian)kang ??(kang)zu ??(zu)zhi ??(zhi)??。