1.   He does not know when he contracted the virus.

2.   Then his horses contracted a virus.

3.   People usually contract the virus by breathing contaminated air.

4.   Although the tests have been negative, James said she suffered severe panic attacks and anxiety for months because of her fears about contracting the virus.

5.   And she wants her children to have something, should she contract the virus.

6.   At the current rate of infection, half of them will eventually contract the virus.

7.   At least half of these women contracted the virus through unprotected sex with an infected man.

8.   Authorities believe he contracted the virus from a sick chicken in a petting zoo in his preschool.

9.   A blood sample taken during training for the third Bowe fight showed he also had contracted the virus, but had recovered.

10.   A doctor who contracted the virus in Chaman on the Afghan border survived, but a colleague died.

v. + virus >>共 288
transmit 8.55%
carry 8.18%
spread 7.09%
contract 5.64%
have 5.59%
find 3.50%
contain 2.50%
detect 2.18%
catch 2.05%
identify 2.05%
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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