我当时也是紧张得不得了，后来听一些老人家说，不碍事，让它自己消失就好，不感染的话，就不会的疤痕的。

I was also very, very tense, then later, I heard some people say, no harm, just let it disappear, if not infected, it would not have the scar.

youdao

但开始一段新的交往的时候，或许经历了多年婚姻生活的50岁以上离婚者未必会想到要保护自己不感染艾滋病毒。

The 50-plus divorcee does not necessarily think of protecting him or herself from HIV when launching into a new relationship, perhaps after years of marriage.

youdao

当卫生条件和生活水平有所提高以后，被幽门螺杆菌感染的可能性就会降低，但是并不见得就完全不感染。

Where sanitation and standards of living have improved, the likelihood of acquiring H. pylori is low but not impossible.

youdao

In contrast today, because we have antibiotics and we have vaccines, people don't die of infectious diseases as often.

相反,在现在,因为我们有了抗生素和疫苗,死于感染性疾病的人就不像以前那么多

耶鲁公开课 - 生物医学工程探索课程节选

Fungi which don't often cause infections in people with healthy immune systems but can under some circumstances, and can be tremendous problems in patients that have weakened immune systems.

真菌在免疫系统健康的情况下通常,不引起感染,但在某些情况下也会感染,那就成了极大的问题,在免疫系统脆弱的病人体内

耶鲁公开课 - 生物医学工程探索课程节选

We did not yet have good methods for screening blood to look for HIV, we didn't have the ELISA technique that I--we talked about in section a few weeks ago and so there was a great concern that there might be other diseases that you'd be passing on from-- unknowingly from this subset of patients that you're isolating the vaccine from.

那时我们还没有一种好的方式,来从血液中筛查出HIV,也还没有ELISA技术,该技术我们在几周前的一个章节中谈到过,因此,那时仍存有,很大的担心,那就是你有可能,在不知情的情况下,被那些病人,感染上其它疾病,因为疫苗就是从他们身上提取出来的

耶鲁公开课 - 生物医学工程探索课程节选