71.   The next step will be to establish whether the new viruses themselves cause human diseases.

72.   The scientists have worked directly with tissue, and not blood samples, because they said they had not yet developed a blood test for the probable new virus.

73.   The possibility of accidently unleashing a new virus into the human population will be carefully studied and guarded against, she said.

74.   The scientists are investigating the possible role of the probable new virus as a co-factor for a some AIDS-associated lymphomas.

75.   The sheer terror that mysterious new viruses inspire also hampers the epi-aid team.

76.   These guys release virus signature updates at least monthly, and they burn the midnight oil to come up with overnight fixes for new viruses like the Love Bug.

77.   Today, despite fears that such transplants could unleash a deadly new virus, the dream is closer than ever to reality.

78.   Updating your antivirus software at least once a month is a good idea, or more often when there is a new virus on the loose.

79.   When a new virus is located, the program automatically sends back a report on the virus, and the signature is added to the Symantec database.

80.   When a new virus surfaces, the antivirus experts take a sample back to their computer laboratories.

a. + virus >>共 413
deadly 13.24%
new 7.80%
live 2.36%
cold 2.07%
contagious 2.01%
killer 1.95%
lethal 1.89%
c 1.77%
human 1.42%
mosquito-borne 1.30%
new + n. >>共 1218
government 2.04%
law 1.71%
rule 1.20%
technology 1.10%
company 0.99%
system 0.93%
product 0.92%
one 0.87%
job 0.82%
election 0.74%
virus 0.05%
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