According to previous media reports and personal contacts with their own examples, the use of bar-person blood needletransmission 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。
2
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。
3
Answer: the needle through the blood of HIV infection risk is 50%, through mother to child transmission probability is 30%.