Covid 19 Diagnosis ELISA & PCR

Suitable methods for the diagnosis of acute SARS-CoV-2 infections are the detection of viral RNA by reverse transcriptase polymerase chain reaction (RT-PCR) or of virus protein by means of ELISA in sample material from the upper (naso- and oropharyngeal swabs) or lower respiratory tract (bronchoalveolar lavage fluid, tracheal secretion, sputum, etc.). The determination of antibodies enables confirmation of SARS-CoV-2 infection in patients with typical symptoms and in suspected cases. It also contributes to outbreak control. The detection of SARS-CoV-specific T cells also supports the identification of a past pathogen contact. Moreover, results from serological tests can provide answers to important epidemiological, clinical and virological questions concerning SARS-CoV-2, such as traceability of infection chains and the role of asymptomatic or presymptomatic transmission. Furthermore, they can be relevant for the development of vaccines against SARS-CoV-2 and for determination of the antibody status and assessment of the humoral and cellular immune response after COVID-19 vaccination.
EUROIMMUN has great expertise in the manufacturing of reagents and automation instruments for medical laboratory diagnostics. Thus, we were able to react quickly to the novel viral disease and brought the first CE-marked antibody tests to market within a few weeks. Meanwhile, a broad range of direct and indirect tests for SARS-CoV-2 has been established:

• In the acute phase of infection, the pathogen can be specifically detected using the PCR-based EURORealTime test systems as well as the SARS-CoV-2 Antigen ELISA.
• EUROIMMUN comprehensive product portfolio for serology enables detection of antibodies of the classes IgG, IgA and IgM against SARS-CoV-2 and of the activity of SARS-CoV-2-specific T cells. Alongside serum and plasma, dried blood spots (DBS) are also suitable as sample material for IgG detection.

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