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　　兒??(er)童??(tong)至??(zhi)青??(qing)少??(shao)年??(nian)期??(qi)(4～18歲??(sui))??，隨?(sui)著??(zhe)免??(mian)疫?(yi)系??(xi)統(tǒng)?(tong)逐??(zhu)漸??(jian)成??(cheng)熟??(shu)??，適??(shi)應??(ying)性?(xing)免??(mian)疫??(yi)(T細??(xi)胞??(bao)、B細??(xi)胞??(bao))開??(kai)始?(shi)發(fā)??(fa)揮??(hui)主??(zhu)力?(li)作??(zuo)用??(yong)??，能??(neng)針??(zhen)對?(dui)病??(bing)原??(yuan)體??(ti)產??(chan)生??(sheng)特??(te)異??(yi)性??(xing)抗??(kang)體??(ti)??。??但??(dan)免?(mian)疫??(yi)系??(xi)統(tǒng)??(tong)也??(ye)可?(ke)能??(neng)因??(yin)“經??(jing)驗??(yan)不??(bu)足?(zu)”而??(er)反??(fan)應??(ying)過??(guo)度??(du)??，如??(ru)對??(dui)花?(hua)粉??(fen)、食?(shi)物??(wu)等??(deng)無??(wu)害??(hai)物??(wu)質??(zhi)過??(guo)度??(du)反??(fan)應??(ying)??，引??(yin)發(fā)??(fa)哮??(xiao)喘?(chuan)、濕??(shi)疹??(zhen)；如??(ru)接??(jie)觸??(chu)外??(wai)界??(jie)增??(zeng)多??(duo)??，易??(yi)感??(gan)染??(ran)手??(shou)足??(zu)口??(kou)病??(bing)、水??(shui)痘??(dou)等??(deng)傳??(chuan)染??(ran)病??(bing)???！　∵@??(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)素祝(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)?。??。