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　　其??(qi)次??(ci)是??(shi)清??(qing)除??(chu)威?(wei)脅??(xie)??，包??(bao)括??(kuo)消??(xiao)滅??(mie)細??(xi)菌??(jun)、病??(bing)毒??(du)等??(deng)外??(wai)來??(lai)入??(ru)侵??(qin)者??(zhe)??，及??(ji)時?(shi)發(fā)??(fa)現??(xian)并??(bing)清??(qing)除??(chu)異??(yi)常??(chang)細??(xi)胞??(bao)??，防??(fang)止??(zhi)腫??(zhong)瘤??(liu)形??(xing)成??(cheng)??。??　　這??(zhe)一??(yi)階??(jie)段??(duan)的?(de)維??(wei)護??(hu)重?(zhong)點??(dian)包??(bao)括??(kuo)：接??(jie)種??(zhong)水??(shui)痘??(dou)、HPV疫??(yi)苗??(miao)(9歲??(sui)以??(yi)上??(shang))??，強??(qiang)化??(hua)免??(mian)疫??(yi)記?(ji)憶??(yi)；均??(jun)衡??(heng)飲??(yin)食??(shi)??，多??(duo)攝?(she)入??(ru)蛋??(dan)白??(bai)質??(zhi)(雞??(ji)蛋??(dan)、魚??(yu)肉??(rou))、維??(wei)生??(sheng)素??(su)C(柑??(gan)橘??(ju)類??(lei))、鋅?(xin)(堅??(jian)果??(guo))??，促??(cu)進??(jin)免??(mian)疫??(yi)細??(xi)胞??(bao)再??(zai)生??(sheng)；保??(bao)證??(zheng)8～10小??(xiao)時??(shi)睡??(shui)眠??(mian)??，適?(shi)度??(du)運??(yun)動??(dong)??，減??(jian)少??(shao)熬??(ao)夜??(ye)和??(he)壓??(ya)力??(li)對??(dui)免??(mian)疫??(yi)力??(li)的??(de)干??(gan)擾??(rao)??。??。