美国科学60秒 SSS 2012-12-25

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This is sign to American Sixty Second Science. I am Chris Fraintiayad got a minute. 

  

Every fall in a new flu shot, let’s consider its vaccine² trainer muse³ system recognize posoph strain of flu identified by two protein virus code human glu man and no mitigates⁴. That was aged⁵ any come from which one anyone. Properly may those proatings are moving target the muted quickly. Once they due, your means system can recognize and you got something like 2000 nice once flu. The strange flu share never pride of does to fat. To make more universal vaccine, they worked over a year, researchers focused on a smaller more stable protein called M Two. In human strength protein is hardly changed since 1930s. Researchers engineer M-two vexing⁶ given to a mice. Then next boost mice to leasal those human swan and bird flues. All vaccinated⁷ mice survived. The unlucky counterparts did not. The researchers poison general luckier there be. A good see flu vaccine more still be M-two vaccine, but M-two gives a central against surprise stream well, it may be a shot. 

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