在伦敦的英国国家医学研究所的病原体学家乔纳森·斯托伊说：“了解这两种病毒种类有哪些特别之处是十分有趣的事情。”
"It would be interesting to know what's special about these two [families] of viruses," says Jonathan Stoye, a virologist at the National Institute for Medical Research in London.
关于这场大灾难，一般有两种说法，一种认为这是一场瘟疫，另一种说法则主张这是病毒性出血热。不管怎么说，在这场灾难中有10万人丧生是无可争议的。
There is some dispute over whether this was a plague at all or an epidemic of viral hemorrhagic fever, regardless there is little argument that 100, 000 Londoners died.
我们通常所指的艾滋病分两种人群：艾滋病病毒携带者和艾滋病病人，两者是有区别的。
We usually referred to are two groups of AIDS: AIDS virus carriers and AIDS patients, there is a difference between the two.
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