With his boyish face and slender build, he (David Ho) could more easily pass for a teenager than for a 44-year-old father of three — or, for that matter, for a world-renowned scientist.
娃娃脸和瘦瘦的身材，使何大一看起来更像是个青少年，而不像一位44岁，育有3名子女的父亲，更不像是世界知名的科学家。
"I am truly concerned that the next outbreak would come from the very laboratories that are trying to come up with vaccines," says David ho, a U. S. AIDS researcher who has entered the SARS field.
已经涉足非典领域的美国艾滋病专家何大一说：“我实在担心下一次爆发就是由正在研制疫苗的实验室引发的。”
David ho: I think the biggest problem is how to find a mother infected with HIV?
何大一：我觉得最大的问题就是，如何找到感染了HIV的母亲？
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