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 […]
Last updated on May 30th, 2021The SARS-CoV-2 viral antigen is generally detectable in nasopharyngeal swab specimens during the acute phase of infection. Most of the currently available antigen testing devices for the diagnosis of COVID-19 […]
Last updated on May 22nd, 2021Visible morphological changes in cell cultures caused by viral infections is called cytopathic effects (CPE). The degree of visible changes to cells caused by viral infection varies with the type […]
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 […]
Last updated on October 9th, 2020SARS-CoV-2 IgG/IgM rapid test is a lateral flow immunoassay intended for the qualitative detection of IgM and IgG antibodies to SARS-CoV-2 in the blood (serum, plasma) from patients suspected of […]
Last updated on May 30th, 2021Viral Transport Media (VTM) are suitable for collection, transport, maintenance and long-term freeze storage of clinical specimens containing viruses, chlamydia, mycoplasma or ureaplasma organisms. It maintains organism viability for 48 […]
Last updated on May 25th, 2021Detection of specific antigens present in the sample (blood, urine, CSF, or stool) using immunologic methods such as precipitin tests, particle agglutination tests, immunofluorescence, immunochromatographic or enzyme immunoassays are the […]
Last updated on July 4th, 2021Cell culture refers to the process by which cells are grown in a controlled artificial environment. Cells can be maintained in vitro outside of their original body by this process […]
Last updated on June 1st, 2021The term “blotting” refers to the transfer of biological samples from a gel to a membrane and their subsequent detection on the surface of the membrane. Southern blot is used […]
Last updated on June 2nd, 2021Dengue/dengue hemorrhagic fever (DHF) is a mosquito-borne viral disease caused by dengue virus, an Arbovirus (arthropod-borne virus). It is transmitted via the bite of an infected female Aedes aegypti mosquito. Laboratory […]
Last updated on June 2nd, 2021Monospot test is a form of the heterophile antibody test which is used for the rapid screening of infectious mononucleosis (mono). Epstein–Barr virus (EBV) causes the disease infectious mononucleosis. Blood, […]
Last updated on June 6th, 2021Japanese Encephalitis (JE) virus was initially isolated in Japan in 1935. It is a leading cause of vaccine-preventable encephalitis (inflammation of the brain parenchyma) in Asia and the western Pacific. […]
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