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目的：确定常用３种物理方法对乙型肝炎病毒消毒的可靠性。方法：将ＨＢＶ分别置于滤纸样本和镀膜铜网上，采用紫外线、远红外线和压力蒸气消毒７ｍｉｎ、１５ｍｉｎ和３０ｍｉｎ。经固相放射免疫法和电镜检测。结果：在消毒７ｍｉｎ和１５ｍｉｎ时，３种方法均不能灭活乙肝病毒，消毒３０ｍｉｎ时，压力蒸气在１１２℃可完全灭活ＨＢＶ；紫外线、远红外线仍不能完全灭活乙肝病毒。结论：消毒方法的选择，对控制医源性乙型肝炎传播有重要作用。
Objective: To determine the reliability of three commonly used physical methods for disinfection of hepatitis B virus. Methods: The HBV were placed on the filter paper and coated copper mesh, using UV, far infrared and pressure steam sterilization 7min, 15min and 30min. The solid-phase radioimmunoassay and electron microscopy. Results: During the 7min and 15min disinfection, none of the three methods could inactivate hepatitis B virus. When sterilized for 30min, the pressure steam could completely inactivate HBV at 112 ℃. Ultraviolet and far infrared could not completely inactivate hepatitis B virus. Conclusion: The choice of disinfection methods plays an important role in controlling the spread of iatrogenic hepatitis B.