中疾控专家:疫苗不能提供终身的免疫
发布时间:2020-06-30

中疾控

基于以下考虑,第一,目前为止,冠状病毒一类还没有研制成功的疫苗。第二,其他冠状病毒,如非典、中东呼吸综合征等其他冠状病毒,人类感染后不能产生长期的免疫保护,保护效果通常在6个月到1年的时间。人类用疫苗预防传染病,基于自然感染后产生免疫力。所有疫苗仿照人体自然免疫,如果人类感染新冠病毒,不能产生长久免疫,指望疫苗产生长久免疫力的话,可能性比较小。但有一点,如果能产生一定时间的免疫力,需要定期打疫苗。(北京日报)

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关键字 相关阅读 京外人员何时可以考虑来京?疾控专家吴浩回应 2020-06-24 23:38 疾控专家吴浩:做好与新冠病毒长期共存的准备 2020-06-21 21:56 中疾控专家吴尊友:北京疫情已经控制住了 2020-06-18 16:36 来京办事还安全吗?中疾控专家:没必要限制人员来京 2020-06-15 15:48 自然感染尚未形成免疫屏障,新冠疫苗仍是最大期待 2020-06-14 20:45 多彩网手机版诚聘iVBORw0KGgoAAAANSUhEUgAAAMkAAAAyCAYAAAD2k//fAAAABGdBTUEAALGPC/xhBQAAEFFJREFUeAHtnQm01FUdx1kERMHMBRdE1FxIwUxLRdQeCqVo51gnLJdsMbXMPKWGHS1NlDIX9KRl5m5H09wKd3kKKksJKEa4AaKoKBKKSsJ7LK/P9// d7jvzr3/ c/Mf aN783vnN 797ff5X/X/8y8Ll3qULMt0NLS0hU8GOxVs4XsBAXboJbryMPRUs3ydQWqGS8Ui2oPRHYC F1wJ3AzsAmsQzu0QE0PknZoj3YPyQB5nEIMB2tiwLZ7g9RAAWq6IzrjShKo82Yscu/XwPPSKYuQW0nonGtogZEltsIyOnE/fOyN/awSfSzAx84l2pZrpm3dHNsJdTkHerDNKzE/gXrdgb rsN 3RB8TsV9r2d6Iz2stugvybaGfAHvYfPIXoHsrctVlvCPLgrwa/xOycGR8UNaqbrNN3FCaGyQofB3sF1IswDcD4 ACekniR5OEFZAtx 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中国疾控中心流行病学首席专家吴尊友介绍,外界对疫苗寄予厚望。新冠肺炎的防控特别困难,传统措施不能建立免疫屏障,只是把病人和健康人隔离开来,阻断传播。随着对新冠病毒认识的提高,有一点需要提醒,疫苗可能不是万能的,或者说,疫苗不能提供终身的免疫。

中国疾控中心流行病学首席专家吴尊友表示,北京疫情已经控制住了。

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肆虐全球已近半年的新冠疫情,群体免疫屏障一直都是各国期待,但是事实却差强人意。在尚未有效治疗药物出现时,疫苗仍是狙击新冠病毒最有效的工具。

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