医院感染主要有三种 ,即交叉感染、环境感染、内源性感染。注射室的相关性医院感染以前两种为主 ,第三种次之。感染因素 :1注射室患者多 ,空气不流通 ,尤其是冬季门窗关闭 ,易造成感染。例如革兰氏阳性球菌在干燥条件下能存活许多天 ,革兰氏阴性菌在潮湿的环境和液体中不但能长 There are three types of nosocomial infections: cross infection, environmental infection, and endogenous infection. Relevant to the injection room Before the nosocomial infection, two were the main and the third was the second. Infection factors: 1 There are many patients in the injection room, the air does not circulate, especially when the doors and windows are closed in winter, which is easy to cause infection. For example, gram-positive cocci can survive for many days in dry conditions, and gram-negative bacteria can not only grow in wet environments but also in liquids.