How can I prevent infectious diseases and germs from blood transfusions? I've heard of people who have gotten other diseases from unclean blood transfusions when they had surgery. And, the street

How is a safe bag of blood collected and sent through the blood station? First of all in the blood collection site, by the doctor's physical examination, the blood station's inspectors to pick donors 10 microliters of blood samples, with a rapid detection reagents for initial screening, the initial screening of qualified people can donate blood. The collected whole blood is sent back to the blood station under the condition of 2-8 degrees Celsius. The blood station has a set of system for blood storage and transportation, called "cold chain", and is equipped with dozens of imported special blood storage refrigerators for the purpose of storing blood, and the temperature of the storage refrigerators is checked and recorded 4-6 times a day to ensure that the temperature is under the condition of 2-6 degrees Celsius; The transportation of blood is taken care of by special persons and vehicles, in which there are special blood storage boxes to guarantee the temperature during the transportation of whole blood to the hospital. The collected blood is first stored in the blood bank of the blood station to be examined, and the laboratory department of the blood station will test the blood samples of each bag of blood for the following items: blood typing (positive and negative typing) liver function test (with alanine aminotransferase activity as an indicator) blood infectious disease test: hepatitis B virus surface antigen, hepatitis C virus antibody, HIV antibody, syphilis serology test, and the other four of the above items, which are all subjected to initial and The blood station has three large imported automatic biochemical testing equipment for blood infectious disease testing. After the blood samples tested by the Laboratory Section are qualified, the whole blood in the waiting bank can be transferred to the finished product bank for dispatching to the clinic for use. In order to guarantee the quality management of blood, the blood station uses microcomputer management for blood collection, blood storage, blood testing, etc., and establishes the respective blood donation code for each donor, which implements one code in the end to never confuse the blood bags, and it is also convenient for the donors to obtain their own blood donation information. A bag of blood after such a strict procedure to be used in the clinical, so please rest assured that the blood station to provide patients with safe blood.