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六级练习2014.11.27


       
       




Getting a flu shot can help prevent influenza. But now, a large study in Britain indicates that older adults who get an annual flu vaccination are less likely to suffer a heart attack. _________________________________, age 40 and older. Researcher Niroshan Siriwardena of Britain's University of Lincoln led the study.
"Our research suggests that flu shots are associated with a reduction in relative risk of heart attack in adults by about 19%." _________________________________. The results were mathematically adjusted to reflect the fact that _________________________________ are more likely to get a flu shot.




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the study involved more than 78000people
the reduction was even a higher 21% for people who got vaccination early in the influenza
who are at higher risk of heart attack at first place

TOP

the study involve more than 78,000 people.
the reduction is even higher 21% for people who got vaccination early in the flu season.
people who are in highter rist of heart attack in the first place

TOP

the study involved more than 78000people
the reduction was even a higher 21% for people who got vaccination early in the influenza
who are at higher risk of heart attack at first place

TOP

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