However, think through the bar-person transmission of HIV, it is very difficult.

不过，想通过扎人传播艾滋病毒，是非常困难的。

youdao

Epidemiological information provided by Mexico, the US and Canada demonstrated person-to-person transmission.

墨西哥、美国和加拿大提供的流行病学信息显示存在人际传播。

youdao

Now great changes have taken place in social attitudes have been difficult to find the right person transmission.

现在社会观念发生了很大变化，已经很难找到合适的传承人。

youdao

The World Health Organization says it needs to see clear evidence of sustained community transmission of the swine flu virus from person-to-person in at least two regions of the world before it raises its alert to the phase six pandemic level.

VOA: standard.2009.05.14

As we'll see in section today, a vaccine does not have to be totally perfect in order to prevent transmission of a disease, because when a disease enters a community its spread from one person to another.

有如我们今天看到的,疫苗不一定非要,绝对完美地阻止疾病的传播,因为当疾病侵入一个社区后,会在人群间传播

耶鲁公开课 - 生物医学工程探索课程节选

The reason why the virus is in the news is because the WHO has said there is more evidence of person-to-person transmission.

BBC: Threat from novel coronavirus 'remains low'

No person-to-person transmission has been recorded in the past 90 years.

CNN: London rail excavation unearths suspected 'plague pit'

Person-to-person transmission is believed to occur in a manner similar to the spread of the influenza virus: through infected people coughing and sneezing, the CDC said.

CNN: CDC confirms 7 cases of swine flu in humans