Next they plan to examine the immune response of people who were vaccinated against last year's swine flu but did not get sick to see if they too have the same super immunity to flu.

接下来，研究人员计划观察那些去年接种过甲流疫苗而未出现不良反应的人的免疫响应，以确认他们是否也同样产生了能对抗所有流感的超级免疫力。

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Flu virus strains change all the time, and every once in a while a super strain emerges to claim thousands of lives throughout the world.

流感的类型不断变异，世界范围内每隔不久就会出现超级流感夺去数以千计的生命。

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