感染性物质
- 网络Infectious substance
感染性物质-
随着科技的进步和医学研究的需要感染性物质的运输量逐年增加。
With the development of technology and requirement on medical research , the transportation of Infectious Substance is increasing quickly in recent years .
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该病也可通过感染性物质（通常为唾液）直接接触人体粘膜或新近皮肤破损处传染。
Transmission can also occur when infectious material – usually saliva – comes into direct contact with human mucosa or fresh skin wounds .