12. The therapy would be especially useful for secondary cancers, called metastases, which sometimes spread around the body after the first tumour appears. Theres an awful statistic of patients in the west ... with malignant cancers; 75% of them go on to die from metastases, said Prof Seymour.
13. Two viruses are likely to be examined in the first clinical trials: adenovirus, which normally causes a cold-like illness, and vaccinia, which causes cowpox and is also used in the vaccine against smallpox. For safety reasons, both will be disabled to make them less pathogenic in the trial, but Prof Seymour said he eventually hopes to use natural viruses.
14. The first trials will use uncoated adenovirus and vaccinia and will be delivered locally to liver tumours, in order to establish whether the treatment is safe in humans and what dose of virus will be needed. Several more years of trials will be needed, eventually also on the polymer-coated viruses, before the therapy can be considered for use in the NHS. Though the approach will be examined at first for cancers that do not respond to conventional treatments, Prof Seymour hopes that one day it might be applied to all cancers.
Questions 1-6 Do the following statements agree with the information given in the reading passage? For questions 1-6 write
TRUE if the statement agrees with the information
FALSE if the statement contradicts the information
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