needle transmission的意思|示意

Transmission via contaminated injection equipment or through needle-stick injuries is associated with more severe disease, rapid deterioration, and possibly higher fatality.

通过受污染的注射设备或通过针头扎伤传播与较严重疾病、迅速恶化以及可能较高病死率有关。

According to previous media reports and personal contacts with their own examples, the use of bar-person blood needle transmission of HIV are often false.

根据以前的媒体报道和自己亲身接触的事例看，用带血针管扎人传播艾滋病毒的行为常常都是假的。

Answer: the needle through the blood of HIV infection risk is 50%, through mother to child transmission probability is 30%.

答：通过带血的针头感染艾滋病的几率是50%，通过母婴传播的几率是30%。