Person-to-person transmission occurs in both community and health care settings, where the virus may be spread by contaminated medical equipment, such as re-used needles.
在社区和卫生保健环境中均可发生人际传播 ，那里病毒可通过再次使用的针头等受污染的医疗设备传播。
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
There is a good chance they may never pin down the cause as people forget exactly what they ate weeks ago, contaminated food is thrown away and farm and factory equipment is disinfected.