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          打了水痘疫苗 并非終身免疫

                 水痘是一種季節性的傳染病,有潛伏期,一個孩子出水痘,跟這個孩子有接觸的孩子也可能會被傳染,孩子們除了上學在一起,放學了還會聚在一起,加大了傳染的可能性。
            南岸路華僑小學十幾天來有30多名小學生集中出水痘,昨天,華僑小學的梁校長說,目前集中暴發水痘的班級學生已經被隔離了,市區各級防疫部門都來學校協助消毒,學校也采取了消毒措施,請家長們不要驚慌。
            昨日,有家長反映,南岸路華僑小學有幾十名學生在近期集中出水痘,家長們有些擔心。家長們表示,孩子身上起的紅疹子不算大,看上去更像皮疹,不過到醫院檢查后確認是水痘,最近三年級的3個班集中暴發,水痘疫情是從上個月25日左右開始的,其后陸續有孩子中招。
            昨天,記者來到華僑小學,該小學的梁校長說,出水痘的班級集中在三年級,目前有30多個孩子出水痘,出水痘的孩子都回家隔離治療了,據醫生說需要兩周時間,學校已經通過校訊通向學生家長發布了消息,孩子痊愈后才能返校,學校會安排老師給學生補課。
            學校校醫說,水痘是一種季節性的傳染病,一個孩子出水痘,跟這個孩子有接觸的孩子也可能會被傳染,因為華僑小學的學生大都來自荔港南灣小區,孩子們除了上學在一起,放學了還會聚在一起,所以加大了傳染的可能性。
            在教學樓,記者看到暴發水痘的班級的學生都被隔離到旁邊科藝樓上課了。記者隨后又來到科藝樓,復課的孩子已經有一些,不過校醫說,因為水痘有潛伏期,目前還有新發的個案。
            梁校長說,水痘疫情暴發后,市、區的防疫部門都十分重視,有專人來學校協助消毒,學校也安排專人在放學后給每個課室消毒,擦桌椅,還會在學生的休息室里消毒,請家長不要驚慌。
            什么是水痘?
            一年四季均有發病,冬春季節尤為多見。
            水痘是一種傳染性很強的疾病,是由皰疹病毒中的一種引起的。水痘一年四季均有發病,但冬春季節尤為多見,并可形成流行。孩子被傳染以后出現發熱,伴有頭痛、流涕、咳嗽等癥狀。一般經過數小時到1天即見發疹,最初在腹部或背部出現蚊子咬了似的紅色小疹點,開始時僅有1~2個,數小時后就發展到手腕和腿部等處,一部分變成水泡。
            水痘如何防治?
            患病孩子立即隔離,直至皰疹結痂脫落。
            水痘的傳染性很強,發現患病的孩子應立即隔離,直至皰疹全部結痂脫落。水痘流行期間,未患過水痘的孩子應少去公共場所。患了水痘的孩子,在家里應該完全避免與帶有化膿菌的人接觸。經常剪指甲,把手洗凈,每日換洗襯衣和襯褲。
            焦點答疑:為什么我的孩子打了水痘疫苗仍被感染?
            水痘疫苗針對某種類型病毒,病毒變異后可能失效。
            廣東省第二人民醫院皮膚科主任溫炬說,水痘是一種常見的傳染病,好發于14歲以下的兒童,主要是帶狀皰疹病毒呼吸道傳染病,通過飛沫、接觸泡液等方式傳染,兒童之間會互相傳染,癥狀不嚴重的可以在家里隔離治療,癥狀嚴重的需要住院隔離治療。
            至于為什么打了水痘疫苗仍然會被傳染呢?溫炬說,病毒的變異速度較快,水痘疫苗針對的是某種類型的病毒,可是當病毒變異之后,這種疫苗可能就發揮不了作用了,所以仍有被傳染的可能。

           

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