making infections even more likely.

　　The three patients received rabies treatment, and still show no signs of illness. It's possible that the type of rabies virus that infected these patients takes a longer time to make people sick,

　　the researchers said.

　　Patients may also have been exposed to a low dose of the virus. The report raises questions about how rabies viruses spread after transplantation，and where they live in the body when the infection is not active,

　　said the

　　researchers from the

　　Centers

　　for Disease Control and Prevention.

　　Because rabies infections are so rare, screening all organ donors for rabies infections is not practical, the researchers said. However, doctors should develop

　　a plan to help them recognize infectious encephalitis — a brain infection that can be caused by rabies — in donors. Organs from donors with infectious encephalitis should only be used in extreme circumstances, the researchers said.

　　The donor in this case frequently engaged in hunting and animal trapping, and had got many bites from a raccoon(浣熊) before his death.

　　Although the donor's family was asked whether the

　　donor had

　　been

　　exposed

　　to

　　rabid(患狂犬病的)animals, they said he had not. More specific questions about risk for exposure to rabid animals — questions such as: whether a donor spent a lot of time interacting with wildlife－may be a more effective way to screen organ donors, the researchers said.

【2016届江苏宿迁宿豫中学高考英语专题复习精练：阅读理解（3）】相关文章：

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第10组（含解析）

★ 山西省永济市涑北中学高三英语总复习：美文欣赏（2）（Love and Time）

★ 2017届高考英语二轮复习课时训练：13（含解析）

★ 盘点2016年高考英语二轮复习短文改错的六个要点

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：6（含解析）

★ 2017届高考英语二轮复习大题冲关秘籍阅读理解七选五：考纲解读（含解析）

★ 2017年高考英语二轮复习精品资料：专题16 书面表达（教学案）（教师版）

★ 四川省2016届高考英语一轮复习课时作业（35） Module 5 Cloning 外研版选修6

★ 2017届高考英语二轮复习大题冲关秘籍完形填空之夹叙夹议文：创新押题（含解析）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (40)