使用受感染的血液或血液制品,是所有传播HIV病毒的途径中最有效的。
Transfusion of infected blood or blood products is the most efficient of all ways to transmit HIV.
受感染的蚊子叮人时,孢子就被注入人体血液。
When an infected mosquito bites a human, spores are injected into the blood.
绝大多数人间感染是与受感染动物的血液或器官直接或间接接触所造成的。
The vast majority of human infections result from direct or indirect contact with the blood or organs of infected animals.
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