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What are the requirements for using a test kit? There is a shortage of kits, what to do if there is no time to test?

Views:6     Author:Site Editor     Publish Time: 2020-03-30      Origin:Site

For diseases such as the new coronavirus, blood or other body fluids used for testing may be highly infectious, and aerosols generated during testing and centrifugation may infect testing personnel, so the testing laboratory has high requirements for infection control . SARS virus requires BSL level 3, 


 Ebola virus requires BSL level 4. Ventilation, air pressure, and sample flow must be considered (refer to how the sample passes from the ward to Inspection laboratory, which door to enter, which instrument to which instrument when arriving at the experimental bench, how to dispose of waste samples, from which door to exit the laboratory, etc.  etc., the inspectors also need special training . In terms of equipment, at least a centrifuge, a nucleic acid extraction instrument, a real-time polymerase chain reaction instrument, and so on. So not every hospital has the conditions for testing.


The shortage of kits affects the statistics of the number of confirmed patients, but has little effect on clinical treatment, because there are no specific drugs for new coronaviruses. 

According to the clinical manifestations of patients, CT (Computed Tomography) can see typical lung lesions. Isolation and start of treatment, treatment is also to provide patients with life support, there is no need to wait for test results to confirm the diagnosis. As mentioned earlier, in a highly suspected population with a good


 performance test reagent, due to the high disease prevalence, the positive result is likely to be a positive predictive value. High), and if it is negative, it is not likely to be true negative (negative predictive value is low), so the test result of the kit basically plays a role in confirming the clinical diagnosis.

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