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What method is used for blood test after blood donation in Xiangyang central blood station? Is the inspection of hepatitis B, AIDS and syphilis strict?

ELISA, enzyme-linked immunosorbent assay. It's from the medical examination and immunity test. This is a professional question. If it is a nucleic acid pilot unit of the Ministry of Health, there is also a nucleic acid laboratory, which will further detect the virus in the blood. At the molecular level, we will also become NAT. Similar to hospital pcr, it is better and smarter than hospital.