71.   The drug kills smallpox virus in lab-grown human cells.

n. + virus >>共 196
flu 11.16%
stomach 10.81%
smallpox 6.24%
influenza 5.18%
hepatitis 4.92%
herpes 4.83%
macro 3.51%
polio 3.34%
bird 3.34%
encephalitis 2.81%
smallpox + n. >>共 58
vaccine 32.36%
virus 20.70%
attack 5.83%
vaccination 4.66%
outbreak 4.37%
epidemic 3.79%
case 2.33%
stock 2.04%
campaign 1.75%
expert 1.46%
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