Diphtheria and whooping cough are transmitted through the air from respiratory secretions of infected patients.
白喉及百日咳可由患者呼吸道分泌物通过空气传播。
Puppies and dogs usually become infected through airborne exposure to the virus contained in respiratory secretions of an infected dog or wild animal.
幼犬和成犬通常是因接触到受感染的狗或野生动物的呼吸道分泌物而感染。
Second, eye exposure to HIV-infected blood or secretions is one of those theretical transmission modes often listed as risky, but for whcih, to my knowlege, no actual transmissions have been reported.
第二，眼睛暴露给有HIV的血液和分泌物是一个被罗列出来的理论上的传播模式，但是这样在我的知识中，没有真实的这种传播的报告。
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