They are designed to protect both patients and healthcare professionals from the transmission of blood-bornediseases such as Hepatitis B and HIV.
其目的是保护病人和医护人员免受血液传染性疾病，如乙型肝炎和HIV病毒的感染。
2
In very small amounts (say, a few teaspoons), and if the blood is free from pathogens (such as the many blood-bornediseases), blood might not harm you.
食用少量的血液(比如说，几小匙)，并且血液没带有一些血液传染病的病原体时，它可能不会有害身体。
3
Objective to examine blood of surgical patients in order to control blood-bornediseases effectively and do well at occupational protection of medical workers.