Dr flegr has studied several aspects of the toxoplasma question .
弗拉格博士研究了弓形虫问题的诸多方面。
Toxoplasma gondii is not an alien ; it is a relative of that down-to-earth pathogen plasmodium , the beast that causes malaria .
然而兔弓形虫不是外星虫子，它实际上是疟原虫的亲属，这个令人讨厌的疟原虫是引发疟疾的元凶。
Normally , the parasite is no big deal , but for people with compromised immune systems toxoplasma can be deadly .
正常情况下，这种寄生虫不会造成大问题，但是对于有免疫系统缺陷的人来说，弓形虫却可以致死。
Joanne webster of imperial college , london , has been studying toxoplasma for years .
伦敦帝国大学的乔安妮韦伯斯特（joannewebster）从事弓形虫研究多年。
Five years ago , oxforduniversityzoologists showed that the parasite toxoplasma gondii alters the brain chemistry of rats so that they are more likely to seek out cats .
