病毒传递介质急了怎么办

What is virus delivery medium?

The virus transport medium is used for monitoring and sampling infectious pathogenic microorganisms by disease control departments and clinical departments. It is suitable for collecting influenza virus, hand-foot-mouth disease virus, measles and rubella virus including novel coronavirus.

In the case of nucleic acid detection in novel coronavirus, samples should be collected first. Conventional sample types include throat swab, nose swab, 痰, 支气管灌洗液, alveolar lavage fluid, 等等. Virus transport medium is a RNase-free storage tube used in sampling, which is used to transport nasopharyngeal swab specimens or tissue specimens at specific positions from the sampling site to the detection laboratory for PCR extraction and detection.

The virus transport medium consists of swab, sampling tube and sampling liquid, and the sampling liquid includes Hank’s liquid base, 庆大霉素, 真菌抗生素, 牛血清白蛋白 (V), cryoprotectant, biological buffer and amino acids. Adding BSA (the fifth component of bovine serum albumin), 4- hydroxyethyl piperazine ethanesulfonic acid (HEPES) and other virus stabilizing components on the basis of Hank’s can maintain virus activity in a wide temperature range, reduce virus decomposition speed and improve the positive rate of virus isolation.

病毒传递介质急了怎么办?

If there is a lack of virus transport medium, the first sampling step of nucleic acid detection in novel coronavirus cannot be completed, which will prevent many patients from being diagnosed and treated at the first time, thus affecting the smooth progress of epidemic prevention and control.

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