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Viral Transport Medium: COVID-19 Testing Essential for Effective Diagnosis and Appropriate Treatment.

sarcellulabs

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With an increasing need for an extensive diagnosis of SARS-CoV2 during this global pandemic, the effective confirmatory diagnosis of COVID-19 infections by cell culture relies heavily on the careful and aseptic collection of specimens. This is where specialized Viral transport medium (VTM KITS) plays its role to protect the virus from environmental damage and maintain its activity with the adequate sustainable transport system.

In order to do sterility checks, CDC recommends the use of a blood agar plate for checking microbial growth upon incubation. In the case of VTM KITS aliquot (small portion) storage, the optimal storage period of 48 hours-96 hours, the sterile media should be stored at 2 to 8 degrees Celsius temperature without freezing. And for a greater period of storage, the vials can be stored at -20 degree Celsius until used but one should avoid the freeze-thaw cycles at any cost.

Over the years, diverse transport media have been formulated including the early bacterial transport broth or nutrient broth. Although few swab-tube combinations have proven to be both effective and convenient, swabs that are toxic to the virus or culture should be avoided. Among liquid-based transport media, sucrose-based and broth-based media appear to be the most popular whereas some labs even use E-MEM media with sterile PBS.
 
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