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More than 5% of all cancers worldwide are caused by persistent infection with this virus. 超過5 ％的癌癥是全世界所造成的持續(xù)感染這一病毒。 blog.sina.com.cn
He said the research offers the first direct proof that the virus causes persistent infection in blood vessels. Crumpacker醫(yī)生說這項(xiàng)研究證實(shí)了病毒對(duì)血管引起了持續(xù)的影響。
It was established in the late 1960s that the condition was caused by persistent natural measles virus infection. 二十世紀(jì)六十年代后期提出該病是由于自然麻疹病毒持續(xù)感染引起。