CT Values
Lab Diagnosis of Viral Disease

Ct Value in SARS-CoV-2 RT-PCR

Last updated on June 14th, 2021The cycle threshold (Ct) can be defined as the thermal cycle number needed to amplify viral RNA at which the fluorescent signal exceeds that of the background and thus passes the […]

Shell Vial Cell Culture
Virology

Shell Vial Cell Culture

Last updated on June 1st, 2021Shell vial cell culture, a centrifuge enhanced tissue culture assay, is a modification of conventional cell culture for the rapid detection of viruses in vitro. Principle The technique involves inoculation […]

Embroyonated Egg culture for Viruses
Lab Diagnosis of Viral Disease

Embryonated Egg Cultures for Viruses

Last updated on May 22nd, 2021Embryonated chicken eggs are used for the cultivation of some viruses. The viruses grow in the cells of the embryo and membranes. Specimens are inoculated into pathogen-free fertilized eggs of […]