1.   My grandmother was fifty-two when Virginia contracted polio.

2.   The following year he contracted polio.

3.   When she contracted polio, which paralyzed her left leg, she was told she would never walk again.

4.   As a result, some seniors contract polio during their travels because their immunizations have worn off.

5.   By switching back to Salk, the CDC believes it will cut by half the number of people contracting polio from the previous vaccine method.

6.   By the way, it was the next year that FDR contracted polio and lost the use of his legs.

7.   Every year, about eight children contract paralytic polio from the oral vaccine, which is made from a live, weakened polio virus.

8.   He considered quitting and becoming a policeman, but he thought about his father, John, a dentist, who contracted polio at age seven.

9.   He contracted polio as a boy and was encouraged by his father to develop his talent for drawing while bedridden.

10.   He began his coaching career as a student at the University of Southern California after his own promising career was derailed when he contracted polio during his freshman year.

v. + polio >>共 42
eradicate 20.13%
have 14.77%
contract 12.75%
eliminate 6.71%
wipe_out 5.37%
cause 4.70%
get 4.03%
prevent 2.01%
spread 2.01%
survive 2.01%
contract + n. >>共 224
disease 28.11%
virus 10.79%
anthrax 7.83%
illness 3.66%
pneumonia 2.96%
cancer 2.44%
work 2.44%
tuberculosis 2.00%
malaria 2.00%
polio 1.65%
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