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1·More than 5% of all cancers worldwide are caused by persistent infection with this virus.

超过5 %的癌症是全世界所造成的持续感染这一病毒。

2·After experimental infection BDV causes a persistent infection of the central nervous system and induces Borna disease (BD), an immune-mediated encephalomyelitis.

BDV可引起中枢神经系统持续感染并导致博尔纳病(BD)，即免疫介导的脑脊髓炎。

3·Establishment of persistent infection cell line of human rotavirus might help to study the mechanism of human rotavirus infection and attenuated live vaccine of human rotavirus.

人轮状病毒持续感染细胞系的建立对病毒感染机理的研究和减毒活疫苗研制有一定现实意义。

4·The objective with persistent H. pylori infection is to avoid antibiotics in the second treatment course that the patient has previously taken.

治疗持续性幽门螺旋杆菌感染的第二疗程需要避免病人在第一疗程中所服用过的抗生素。

5·There is no evidence that measles vaccine accelerates the course of SSPE or triggers SSPE or causes SSPE in those with an established benign persistent wild measles infection.

没有证据表明麻疹疫苗会加速SSPE的病程或引发SSPE，或导致麻疹野病毒良性持续感染者发生SSPE。

6·Chronic bronchitis refers to inflammation and often infection of the bronchia, manifested by persistent, sputum-producing cough.

慢性支气管炎是指炎症和感染的往往支气管，表现出持续，痰生产咳嗽。

7·Conclusions Splenoportal thrombosis, and hematocele, hydrops or infection in the splenic recess were the main causes of persistent fever after splenectomy.

结论门脾静脉血栓形成及脾窝积血、积液或感染是术后持续性发热的主要原因。

8·Analysis revealed that respiratory infection requiring antibiotics in the first year of life was significantly associated with persistent wheezing at the age of 5 years, at an odds ratio of 7.83.

分析显示，一岁以内患呼吸道感染且需抗生素治疗的儿童，在5岁时容易出现持续喘鸣，优势比为7.83。

9·Pulmonary infection is one of the most often the AIDS infection, and cough is the most common symptoms, which is most persistent, recurrent, so it has became a major cause of death on AIDS patients.

呼吸道感染是艾滋病人经常发生的感染之一，咳嗽是最常见的症状，大多迁延不愈、反复发作，成为艾滋病人的重要死因。